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Fitbit Flex Wireless Activity Sleep Wristband Black by Review Summary ,  Sep 24, 2015

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Fitbit Flex Wireless Activity + Sleep Wristband, Black
Report Date: 09/29/2015
Based on 14605 customer reviews
Overall satisfaction: 3.7
Returned or considering to return: 6.6%

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Frequently Mentioned by Customers:


Individual Feature Rating
Wearable4.8   above average
Comfortable4.6   average
Motivating4.6   average
Track4.6   average
Fitness4.4   average
Monitor4.4   average
Apps4.3   average
Dashboard4.3   average
Vibrate4.3   above average
Weight4.3   average
Monitoring4.2   average
Accurate4.1   average
Tracking4.1   average
Fit3.9   average
Sleeping3.8   average
Sync3.7   average
Bluetooth3.6   average
Button3.6   above average
Connect3.6   average
Swimming3.6   average
Wearing3.5   average
Calibration3.3   average
Quality3.3   average
Experience3.1   average
Indicator3.1   average
Support3.1   average
Treadmill2.8   average
Battery2.7   average
Connection2.7   average
Fastener2.7   average
Sensor2.7   average
Warranty2.6   average
Charging2.5   average
Charged2.3   average
Plastic1.8   average
Strap1.8   average


Quotes from the Reviews - What People Say about:

Accurate

Accurate:
"Many people complain that the Flex is not accurate in the steps you take, the calories you burn, etc."
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"Everything was exactly as I hoped it would be: I found the tracking of my steps accurate, sleep tracking extremely helpful (I'm terrible at sleeping), and the design of the tracker in the wristband comfortable."
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"It's pretty accurate, and it can be a lot of fun to challenge your friends."
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"I have now ordered one with a digital display as the little light flashing aspect doesn't give me an accurate step count and it's not always easy to run check on the computer...which didn't sync anyway."
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"Had problems with this keeping results accurate!"
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"It's not invasive, it has a good battery life, and it's more or less accurate for what it is."
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"It was super easy to set up & it seems to be incredibly accurate."
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"Enjoying it but wonder how accurate it is"
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"It seems to be very accurate, & I love that it tracks my sleep pattern!"
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"It also gives me a fairly accurate feedback to how well I slept the night before and when I need to wake up before my wife and don't want to wake her I use the silent alarm feature."
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"Great and accurate for getting in shape"
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Apps

Apps:
"Have gone through bits, and the apps keep failing."
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"The criticism:The unit and the apps work together seamlessly."
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"The iphone app is great and simple to use, even for her that is not very good with apps."
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"I'm not getting anything out of syncing the apps and wouldn't recommend it."
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"BTW, I am pretty tech savvy and have downloaded and used hundreds of apps, but this one proved to be particularly challenging."
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"I try to track my sleep due to past problems sleeping, and while phone apps work very well, nothing beats something that is attached to you while you sleep for that."
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"Love that it works with multiple fitness apps on my phone."
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"I like it, it's comfortable and with the apps I've downloaded I can track my exercise, steps, and even my sleep."
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"I wasn't expecting anything majorly high tech, but it's the apps that are compatible with the Flex that give it more abilities."
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"Works well with various other apps, to keep track of my overall health"
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"It's not bulky, it's waterproof, it accurately keeps track of your activity, and it has a full Android app (sometimes Android apps don't get as much love as the iOS version)."
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Battery

Battery:
"However I am disappointed in the battery life."
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"I love it alot but only one problem the battery need to be charged every two days."
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"But then the battery stopped charging and the strap broke - both too late for a refund from Amazon."
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"Works sometimes, doesn't want to synch, battery does not charge well."
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"Dead battery and could not get it charged"
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"The battery is terrible and the strap comes apart where the little tracker gets put in."
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"It has a good battery that lasts 3 days."
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"Worked well for a year, then the battery life dipped to under a day and no longer vibrates"
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"Pros:Comfortable; easy setup; easy to use; many alternate wristbands available; syncs with MyFitnessPal food app; can challenge friends; incremental step, distance and weight loss badges to keep you motivated; great battery life, quick recharge, tracks sleepCons:I've heard the wristband can come undone, but I use a little fastener ring over the clasp."
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"I love it alot but only one problem the battery need to be charged every two days."
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"Company good about sending new product for bad battery."
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Bluetooth

Bluetooth:
"I look at my stats at least 3 times a day so having to restart my Bluetooth everything is irritating."
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"The pedometer uses Bluetooth v4.0 Smart (also called Low Energy) and is not backwards compatible with any other version of Bluetooth."
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"The device counts steps pretty well, but frequently loses its Bluetooth connection and fails to show my steps."
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"Only problem I had (and the reason it got returned) was the Bluetooth would stop syncing with it."
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"Also, it is slow to link up with Bluetooth and finally the wrist bank is hard to snap closed."
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"I've also had issues with it syncing up on two different smartphones, saying the bluetooth was incompatible so it has been completely useless when trying to sync it up with the phone."
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"We turned off Bluetooth on the three components in our home that are equipped with it as well."
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"The app works well with my Fire as well and uploads through bluetooth."
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"If every day you want to restart your Fitbit, restart your iOS, turn Bluetooth off and on, and keep staring at the app to see if it will remarkably get beyond looking to synchronize data from a few moments out of your day then go for it."
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"Also, if you have Bluetooth 4.0 it doesn't guarantee that your device is compatible."
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"When I enquired Fitbit said the iPad works with a certain version of low power Bluetooth, well guess what... my MS Surface Has the SAME low power bluetooth."
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Button

Button:
"It went offline and Fitbit tech support was not able to solve, but web has pointers about the reset button and all was well."
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"Up until just recently I was able to put the device in the charger and hit the reset button on the device to get it back from the dead to its normal behavior mode."
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"You don't need to hit the restart button on your charger but it is there for glitches just in case."
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"The data was horrible, and when the button deflated after a year it was time to sell it and buy something else."
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"after using the fitbit ultra and being able to see progress with the push of a button I was not happy with the fitbit flex..."
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"MY IDEA for the BEST Flex:Button on side to change to sleepwatch claspPlug in whole band not just the tracker"
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"Quick little reset button and an amazing community if you need help!"
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"Real control buttons and a display would be a nice tradeoff with the small size."
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"Plus, a button for a light would be nice."
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"the device itself is nice and simple (literally no buttons to press) and the added bonus for me was the string on the finger effect reminding me that i was trying to get in shape and i shouldn't overdo it on the portion size."
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Calibration

Calibration:
"I also don't think it registers active minutes in the same way so I am wondering about consistency in calibration so overall as little disappointed."
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"not very accurate but I may not have it calibrated very well... not really accurate either when battery charges... so you miss out on few hours a day"
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"This is a horrible device and no way to calibrate it."
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"I don't use my Flex as a end-all-be-all of data (that would be silly, it's a tracker on my wrist, not a perfectly calibrated monitoring device in a lab) but since I use my Flex consistently I consider the data I get to be reliable."
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"Not well calibrated, and no warning at all."
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"Be sure to set it up and calibrate your walking and running strides and you should't be dissatisfied."
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"Accuracy of step count is not calibrated right."
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"I think the next generation of Surge is supposed to be easier to calibrate for non-step activities like bicycling."
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"I wanted to put the Flex to the test the other night by going to the gym on a calibrated treadmill I knew was accurate."
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"Distance estimate works reasonably well for walking and for running at the pace you calibrated it to."
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"I've also found it can be quite accurate most of the time and there are ways to calibrate your step length in order to further improve its accuracy."
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Charged

Charged:
"I love it alot but only one problem the battery need to be charged every two days."
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"Dead battery and could not get it charged"
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"Even more frustrating if you know you charged it all night instead of allowing it to track your sleep."
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"The drawback I have found is the battery doesn't stay charged!"
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"It never charged well."
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"fully charged 1 day and dead the next w o warning."
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"Works great and stays charged for several days."
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"The Fitbit is easy to set up and get started, the battery has an average of 5 days before needing to be charged and the food log has a decent assortment of items in its database."
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"Is very accurate but wish the battery stayed charged longer."
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"And, unlike the surge and charge that need to be charged every 3 days, the flex only needs to be charged once a week which is a lot easier if you like me have a crazy busy life.."
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"I find it to be accurate, and it stays charged."
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Charging

Charging:
"Had to return it because of a faulty charger, however, a new one was sent immediately."
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"its functionality works as a step tracker, but the charger is one of the worst engineering products I have ever seen."
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"I searched online for a solution to this and discovered flex charging problems are numerous."
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"I wish I had known about the myriad of charging problems before I bought this product."
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"This is my second unit and am now - again - experiencing problems charging the device."
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"I started having problems with it charging at 6 months."
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"It helps me easily keep track of my exercising via my iPhone, the battery last for days prior to needing charging and it's easy to work."
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"Love Fitbit Flex and charge"
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"It's good but my husband has the Charge which has more features"
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"The fitbit Isa good product but after a couple of weeks the charger stopped working."
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"I love it only have to charge it once a week."
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Comfortable

Comfortable:
"Everything was exactly as I hoped it would be: I found the tracking of my steps accurate, sleep tracking extremely helpful (I'm terrible at sleeping), and the design of the tracker in the wristband comfortable."
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"The plastic band was a tad stiff at first and hard to clasp, but quickly softened and is more comfortable and easy to use."
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"It was very easy to set up and it's comfortable to wear, I was worried it would rub or be annoying but I forget its there half the time."
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"only complaint I have is that wearing tight shirts isn't so comfortable with the wristband, since its a bit large."
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"They aren't terrible to wear, but also not amazingly comfortable."
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"Not comfortable, and it doesn't seem very accurate."
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"Easy to use, comfortable."
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"Super easy to set up, and it's super comfortable."
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"Pros:Comfortable; easy setup; easy to use; many alternate wristbands available; syncs with MyFitnessPal food app; can challenge friends; incremental step, distance and weight loss badges to keep you motivated; great battery life, quick recharge, tracks sleepCons:I've heard the wristband can come undone, but I use a little fastener ring over the clasp."
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"Overall, it's comfortable to wear, is great for motivation and accurately tracking my walking running from day-to-day and comparing that to other weeks."
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"very comfortable to wear and very easy to download info to my computer."
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Connect

Connect:
"Also, the syncer that connects to your computer is flimsy."
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"When I went on a cruise, I had no wi fi so I didn't know how it would update after 7 days of not being able to connect.."
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"Tracks steps, sleep, and connects with other friends to challenge and step up each others' games each week!"
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"However, the way the band connects is not a very good engineering idea."
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"THE ONLY THING.....the band wore out after only about 3-4 weeks of wearing it:( I bought another one and the part that connects it broke."
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"have to return for another because my wristband broke where it connects with the tracking device with only having it for two weeks."
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"It connects to my iphone easily."
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"Love the fact that it connects to my phone the only thing that I would see if we could do was make the bulky ness smaller."
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"Courtesy of a USB wireless sync dongle, which connects to a PC or Mac, or a Bluetooth connection to a compatible smartphone or mobile device, the Flex is able to report your activity in detail with attractive reports on the Fitbit website or mobile apps."
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"Pros:- Charges quickly (~30 min) and lasts a long time (3-5 days for me)- Good app with large ecosystem that connects to tons of other health servicesCons:- It has an LED display and alarms, so it is tracking the time, but you can't set the time to show up on the display."
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"I joined Weight Watchers two months ago and I love how the Fitbit connects to my Weight Watchers profile and loads my activity for me! "
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Connection

Connection:
"I kept getting an error: FitBit connect service has stopped."
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"Hate the clasp- difficult for me to connect it properly."
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"I've had a few problems when it wouldn't connect to my phone."
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"The device counts steps pretty well, but frequently loses its Bluetooth connection and fails to show my steps."
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"Unable to pair it to my computer because it doesn't recognize my connection."
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"Unable to download Fitbit Connect onto Surface 2 tablet...tech support not very helpful"
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"It is amazing and I love how it is connected to my phone on the app so I can keep track of my daily activity and steps! "
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"Once I got this connected to my computer things have ran smoothly."
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"This item is a gift and it never worked I gave it to the person and it continue to read not connecting I would like to exchange it for a working one please."
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"Courtesy of a USB wireless sync dongle, which connects to a PC or Mac, or a Bluetooth connection to a compatible smartphone or mobile device, the Flex is able to report your activity in detail with attractive reports on the Fitbit website or mobile apps."
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"The device counts steps pretty well, but frequently loses its Bluetooth connection and fails to show my steps."
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Control

Control:
"Terrible quality control on a super popular product."
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"This is pathetic manufacturing... Horrible quality control... and a joke...Please fit your production Fitbit otherwise you're gonna die off pretty soon..."
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"2) Their workmanship quality control is terrible."
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"It also showed me that my biggest problem was portion control, and 'seconds'."
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"If you need to improve your health and also a little bit of push, due to must of the time you're sitting or doing nothing this is a very good tool, but if you already do exercise and want to track all your movements day by day to have better control I don't recommend it."
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"Great concept, but terrible design and quality control."
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"Great tracker...now I can control all of my daily activities"
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"This is a fun way to track food and activities so you can control your weight."
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"I would recommend to anyone looking to take control of their health!"
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"Initial View: Nothing fancy, its a good fitness tracker, minimal interface and controls and does the work."
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"My sister-in- law has had no problem so think it's a quality control issue."
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Dashboard

Dashboard:
"If you don't take advantage of the Dashboard, you're robbing yourself of a valuable aspect of what the Fitbit has to offer."
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"1) The band was too cumbersome for me to wear with a dress shirt.2) After a week it started malfunctioning, although it seemed to track OK on the dashboard, flex was all screwed up."
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"You can use the dashboard to enter other activities and it does attempt to add information based on what you enter."
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"*The online dashboard has gliches, which give you wrong information, but these are not such a big deal once you know where to find the correct information."
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"It fits comfortably and the clips hold securely without the need to purchase any of the clip covers (I also bought replacement bands - from Amazon, of course - which came with some clip covers and actually find the square clasp cover to be annoying).I like using the dashboard and it has been very helpful in keeping me motivated."
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"On occasion I will go back and check a certain day and find that the information finally made it to the dashboard, unfortunately by then it's too late."
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"The dashboard is clean and informative and I loved the idea of being able to change wristbands."
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"The FitBit web site and dashboard are straightforward and easy to use and steps you through the entire process."
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"The app is amazing, the FitBit dashboard is great, and I love that it has a silent alarm to wake me up in the morning (so does my boyfriend).I've had it a month, and I've already lost five lbs just by moving more and tracking my food."
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"Again, with digital scales connected to your Dashboard youll also be able to see summaries of your weight change, BMI and more."
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"I appreciate that we have other fit bit users on our dashboard as it gives me the little push I need."
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Experience

Experience:
"The Fitbit itself is fine, but to put it on is a horrible experience."
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"I have had this for close to a month now and I only have one complaint and that is the band seems to appear dirty around the edges (my experience with the pink band)."
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"I unfortunately have had the same experience with Flexibit just stopping after 3 months."
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"My bad experience throughout the time I have owned it has always been a problem with the charger."
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"Not a good learning experience."
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"Initially I was really happy with the device until the day problems started (just like a majority of people have faced) - Please scroll down to the bottom to learn why I won't recommend it through a personal experience of mine."
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"I'm overall happy with my experience buying the Fitbit on Amazon!"
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"So it's also hard to complain since I had a good experience with the company itself as well."
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"I'm having a great experience using my Fitbit Flex."
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"-In Comparison to Other Motion SensorsI love my fitbit flex, that being said I am an active individual and have had experience with other motion senors."
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"UPDATE: I upgraded my review from 2 stars to 5 because of my amazing experience with Fitbit's customer service."
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Fastener

Fastener:
"The only negative thing I have to say is that the fastener can come loose when you least expect it."
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"Works great as a fitness tracker, my only problem is the strap likes to come undone but third party fasteners solve that problem."
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"The biggest fault is the fastener on the wristband."
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"Other reviews refer to the problem with the fastener being difficult."
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"I need to purchase the fasteners or complain to Fitbit and maybe they will send me one."
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"I don't know how often or if the fastener has been a problem in the past, I did like it very much, the support on line is great, Phyllis Moroney"
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"I found if I pull the band slightly it seems to open the slots for the fastener to slide into easier."
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"The fastener design is good but needs tweaking so that it's not so hard."
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"Highly recommend ordering a silicon fastener ring to help make sure unit doesn't come unclasped and fall off."
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"The device itself works well however the clasp band fastener is very poorly designed."
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"I do recommend purchasing a Bitbelt or some other silicone fastener to ensure that you won't lose your Fitbit if it gets caught on something."
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Fit

Fit:
"However, it is a bit bigger than my old one, thus getting to fit in the many holders I have is challenging."
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"I was very disappointed with the Fit it."
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"I replaced a faulty Samsung Gear Fit with a Fitbit Flex."
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"The small wristband, which was the best fit for me, broke after one week."
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"Strike oneI got the fit bit charge at Christmas and to my disappointment the charge HR came out a month later."
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"Also, the shape of the device is somewhat awkward so it doesn't fit well against your wrist and the top part is hard plastic so it isn't immediately comfortable and it takes some time to get used to the feel of it."
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"She had very tiny wrists and it fits nicely."
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"I didn't realize how terrible a sleeping pattern I had until I was able to track it with the fit bit! "
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"It's a great tool if you want to get fit! "
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"They fit great and coordinate well with any outfit, workout or casual."
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"Excellent motivator to get fit and stay healthy for me, my mother, and quite a few of my friends."
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Fitness

Fitness:
"I am so disappointed, because when this product is working, it is the best fitness tracker I have owned."
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"I bought the Fitbit flex a few months ago to take part in my company's fitness challenge."
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"Not only am I now able to track my fitness, I'm so much more motivated!"
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"This is a very good fitness tracker, but not great."
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"She told me that as a result of the Fitbit Flex she is obsessed with eating right and taking care of her physical self....because the Fitbit Flex holds her accountable when it comes to doing what's right and wrong (when it comes to fitness)."
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"So disappointed because each person had really gotten into the fitness goals."
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"The Fitbit Surge costs a lot more, but is superior in all ways against all other fitness watches or trackers."
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"Pretty cool for keeping track of basic Fitness activity."
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"I am so disappointed, because when this product is working, it is the best fitness tracker I have owned."
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"Love that it works with multiple fitness apps on my phone."
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"works great and helps me keep up with my fitness routine and steps"
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Indicator

Indicator:
"The tracker is wildly inaccurate and not at all a good indicator of activity level."
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"The indicator lights are confusing and getting them to show up is rather imprecise."
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"As for the product itself, the lack of battery indicator, LED blinks all the fricking time and it's hard to know what it's trying to tell you, and having to specifically put the thing in sleep mode in order to track sleep pattern, just overall very poor user experience."
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"Biggest problem was that three weeks in it slowly stopped charging fully and indicator lights for its states failed to operate as advertised."
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"Don't really notice it on a status check (tapping the band), but is this an indicator that something else is about to fail?"
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"I wish it had a heart beat indicator but for the price its hard to complain."
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"I have just ordered the FitBit Charge HR - to monitor my Heart Rate as well - and important indicator in ME CFS ... so I will review that once I have tried it for a while."
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"Quite effective to measure the indicators and not cumbersome to wear, like many others."
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"As an indicator of restlessness, it is probably reasonable."
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"I find the product to be a very good indicator of how much activity I get during the day, and it confirms my perceptions of what my sleep patterns were like as well."
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Monitor

Monitor:
"My low rating is for wristband monitors in general, and I suspect that most of the other fine wristband monitors would get the same complaints from me."
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"Having been an adopter of the step monitors (the clickety clack annoying step counters that go on the waistband) I am so pleased with not only the design and sturdiness of the Flex, it's just cool to be able to set goals, monitor sleep, monitor calories in vs out (on their website), and it's just fun to try to beat my goals and make new ones."
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"I have gone through several heart rate monitors because of excessive sweating, and the huge benefit of the Flex is its water resistance."
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"However, it seems to fit a sweet spot missing between activity monitors like pedometers and food & activity logging apps like MyFitnessPal."
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"Love that it monitors my sleep patterns also."
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"Easy to set up and use and she monitors it all on her smartphone"
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"Other than that, the flex itself is great because it monitors my activity and digs into my competitive nature so that I force myself to be more active."
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"Pretty cool technology - monitors things I didn't even knew it could."
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"I don't feel as though it monitors sleep well though."
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Monitoring

Monitoring:
"I read other reviews before I bought the flex and the person who said this device lies apparently doesn't understand that it may not be exactly accurate but it is a great tool to monitor approximately your calorie intake and burning."
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"This monitor is not very accurate in my opinion."
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"Only regrets it does not monitor his heart rate."
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"The only thing I am not very satisfied with is the sleep monitor."
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"The sleep monitoring was a real awakening for me as my patterns were not good."
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"very disappointed in the steps monitoring...my husband did fist punches and racked up his steps...really?"
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"I recommend this to anyone looking for a device to help monitor and encourage you to be more healthy."
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"Works well as an activity monitor."
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"If your looking for something to count your steps and monitor your sleep, as well as help keep take of water and calorie intake, the Flex is perfect."
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"And for me, monitoring my sleep is a great bonus!"
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"I love the silent alarm and sleep monitor."
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Motivating

Motivating:
"While I loved it for it's purpose of tracking steps and motivating me to be a more active person, the clasp is absolutely ridiculous."
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"Great motivator to make you get up and move and fun challenges with friends."
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"The challenges are also motivating to compete with your friends."
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"I love the sleep tracking feature and the friend challenges are really motivating!"
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"Very motivating love that you have fitbit friends and can join challenges."
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"Great motivator and challenge for keeping fit."
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"This product is so easy to use and is a great motivator for keeping active."
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"Excellent motivator to get fit and stay healthy for me, my mother, and quite a few of my friends."
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"It goes everywhere with me and is a good walking motivator."
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"I returned it and purchased the Fitbit One, which is great, calculates accurately and is very motivating."
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"Love this concept and it's definitely a motivator to step up ones exercise regimen!"
_

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Plastic

Plastic:
"The plastic doesn't allow the skin to breathe, and can be irritating at times."
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"Also, the shape of the device is somewhat awkward so it doesn't fit well against your wrist and the top part is hard plastic so it isn't immediately comfortable and it takes some time to get used to the feel of it."
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"The plastic band was a tad stiff at first and hard to clasp, but quickly softened and is more comfortable and easy to use."
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"I like learning how many miles I have walked each day (hoping its accurate, but have not been able to prove it yet).While it came with two wrist bands, both have broke in less than 3 months the rubber plastic material doesn't last."
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"I have replaced the wristband a couple of times because the plastic does degrade stretch out a bit."
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"My wife has it, all I hear is complaints up until this morning ( 4 months in... ) Now its dead in the water, non-functional plastic wrist strap."
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"The good news is that the wrist strap is comfortable, is unlikely to cause irritation, and fixes securely to your wrist with two plastic pins you should find the Flex very comfortable and secure most of the time, youll forget its there."
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"The reason for four stars of the the little plastic window for the lights is a little to easy to get scratched."
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"It's a small plastic piece, would be easy to lose or break - they couldn't provide one for each bracelet?"
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"I would give 5 stars except for two issues:--The band has a very poor design and easily breaks where the hard plastic light meets the soft plastic band."
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"The all break where the clear hard plastic piece connects to the smaller part of the band."
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Pulse

Pulse:
"I was disappointed to spend an hour on the exercise bike with a pulse rate of 120 to 140 and my Fitbit showed that I had done nothing."
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"I had a Withings Pulse for December and January, but after the sleep wristband failed in the middle of the night and the device fell into the sink; so it was no more."
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"I'm happy with it and the only thing I wish it did would be to track my pulse after exercising."
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"I think a monitor that checks your pulse would be more accurate."
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"If there were one thing I would add to the Fitbit Flex... it would be a heart rate monitor, or a pulse monitor... Other than that, I am very satisfied with my Fitbit Flex."
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"After only 2 days with it, I miss my Pulse's display, but I LOVE the software that Fitbit has created."
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"The pulse is great but the Flex has some advantages that looked interesting and worthwhile."
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Quality

Quality:
"I love a lot of the features to this watch but it has some disappointing qualities too."
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"Luckily I found it but not very pleased with the quality of the product."
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"Horrible quality and no support through company."
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"Operates fine but very disappointed in quality of strap."
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"All in all, for a $100 device, the quality isn't great."
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"Crappy quality."
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"Good quality"
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"Great quality! "
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"It's really nice that its water resistant and the quality of the product is good."
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"To summarise, it's a good item for beginners but the product quality is lower than I would expect for that price."
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"I'm very pleased with the quality and function of my Fitbit Flex."
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Reliable

Reliable:
"Otherwise save your money, time and frustration and look at other brands that may be more reliable."
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"The fact that we have to charge it every five days is very frustrating and inconvenient especially when the Chargers arent reliable."
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"Item is not reliable and doesn't sync as easy as it states."
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"A friend of mine had the same problem and the company replaced it with a more reliable model."
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"This was a great tracker, but for the $$ I'm really upset that the band is not more reliable."
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"Pedometer mode: Ultra is very accurate as a Step Counter, Climbed Elevation Recorder and distance recorder; it is more accurate than the BASIS Band or the FitBit Flex BASIS Band is not consistently reliable, it often fails to register any steps for hours at a time."
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"Comfortable, weightless, and reliable"
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"So, I love the Fitbit Flex, but wish it had a better, more reliable charging system."
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"Otherwise, the technology is easy to use and very reliable."
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"Thanks anyway, it is very impressive and reliable gadget."
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"It is reliable and accurate and I love that it syncs with other apps I am using."
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Run

Run:
"replacement sendabout a year later,as soon as warranty runs out, it stop vibrating, i missed the alarm setting."
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"The first day I wore it, I was upset that the tracker runs on gps, I walk run on a treadmill so even though I was moving, it never sensed anything."
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"I've mapped out runs and it's dead on when I finish."
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"Now the problem is that my battery runs down in the course of ONE day."
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"I compete against friends and coworkers and since I love to win, it motivates me to go for runs, walks during my lunch hour and getting off the bus a stop early just so I can get more steps."
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"Love the logs and stats it produces for my runs."
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"The Flex is perfect for tracking Treadmill and road runs."
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"Did a great job tracking my sleep, steps, runs, and my day to day activities"
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"I will go ahead and next time I will invest in a good watch that I can program during runs and sync with my computer, you can get good ones on line."
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Running

Running:
"The first day I wore it, I was upset that the tracker runs on gps, I walk run on a treadmill so even though I was moving, it never sensed anything."
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"If, however, you expect to sync throughout the day with your phone like my wife intended to do, you will most likely run into problems unless you're sporting the latest and greatest Samsung, iPhone, iPad, Sony, or HTC."
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"Its not very accurate to your movements for example, I went on a 6 mile run and it only recorded 5.2 miles."
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"I'm always pleased with my purchases but this time disappointed; had a bad feeling initially when the clip failed to close correctly until the clip finally failed and lost it today during my run."
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"I have now ordered one with a digital display as the little light flashing aspect doesn't give me an accurate step count and it's not always easy to run check on the computer...which didn't sync anyway."
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"Some of the negative reviews are downgrading it because it isn't as accurate for other activities (other than walking and running)."
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"There is a rip in the rubber where the Fitbit technology is inserted, but I don't really understand why (I don't insert the Fitbit roughly into the band or anything like that).Also, this Fitbit has gotten really sweaty while I'm running, which is not the Fitbit's fault."
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"I dont like taking my phone out when Im running so, for, this is the perfect device."
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"It does what it is supposed to do and the customer service people are great if you run into issues."
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"Overall, it's comfortable to wear, is great for motivation and accurately tracking my walking running from day-to-day and comparing that to other weeks."
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"Today it calculated my run pretty dead-on with my Garmin Forerunner 405CX, which I find impressive."
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Sensor

Sensor:
"But, I'm still under-whelmed and mostly disappointed I spent 100$ for this glorified motion sensor."
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"Sleep sensor is not that accurate"
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"I like the Flex because you can wear it in the shower (unlike the Force), but the annoying thing is that you have to pop the sensor out to dry it off and dry out the inside of the band, otherwise it'll stink."
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"I believe the problem is the sensors corroded after contact with moister."
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"Thus, what was really damaged was the charger not the sensor."
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"The sensors are not nearly as accurate as on the other devices."
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"I wish I would have bought one with a heart beat sensor but other than that, I love it."
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"It has a sleep sensor, this is somewhat accurate and somewhat not."
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"Also, as others have pointed out, since it doesn't have the other plane sensor (an altimeter I believe, but don't hate if that's incorrect) it has absolutely no idea when you are going up and down stairs, and I've found that despite going up 3-5 flights of stairs it only tracks, if I am lucky, the steps I have taken on each landing..."
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"This could easily take 4-5 minutes every time the sensor had to be charged."
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"I use this fitbit sensor on daily basis, works great but watch out the Bluetooth connection, it could drain you batter easily."
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Sleeping

Sleeping:
"The sleep function is not accurate."
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"I purchased one for my wife, she experienced problems with the sleep function not working properly within the first month or so."
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"Learned I do not sleep as well as I thought I did and walking more"
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"Too often the device would not sync and so I couldn't get a read of steps--the sleep feature seemed way off, and was hard to program."
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"I wanted to know what my sleep habits were, and this has given me a snapshot of how HORRIBLE I sleep!"
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"And it's pretty cool to see your sleep pattern if you're able to sleep with it on your wrist!"
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"It's a great way to track your activity and sleep patterns."
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"I see how many steps I take, how well I sleep, my exercise, and can track my food and water intake."
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"I didn't realize how terrible a sleeping pattern I had until I was able to track it with the fit bit! "
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Strap

Strap:
"The strap on my wife's broke today."
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"also, the wrist strap broke where you have the little window after about 8-9months, good thing they come with two straps, but still, it can drive you nuts trying to charge it."
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"But then the battery stopped charging and the strap broke - both too late for a refund from Amazon."
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"Only complaint I have is snapping on the strap."
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"The strap is a bit of a disappointment."
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"Unfortunately I only had it 4 days and the strap came loss and I lost it."
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"Fun to be sure that u get your 10,000 straps in daily."
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"also, the wrist strap broke where you have the little window after about 8-9months, good thing they come with two straps, but still, it can drive you nuts trying to charge it."
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"The good news is that the wrist strap is comfortable, is unlikely to cause irritation, and fixes securely to your wrist with two plastic pins you should find the Flex very comfortable and secure most of the time, youll forget its there."
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"Very good device overall, but the strap wears out easily."
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Support

Support:
"I emailed tech support with my problem and the response was the the MS Surface Pro 2 tablet was not a PHONE platform they support."
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"Found the same problem reported in an online FitBit support group."
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"Horrible quality and no support through company."
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"Their support team replaced it free because they said there was an error."
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"I agree that their support is not good, I managed to get in on a chat session once and that was the best training and support that it gave."
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"It went offline and Fitbit tech support was not able to solve, but web has pointers about the reset button and all was well."
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"Customer support was really good."
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"Honestly, the best part about this product is the support."
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"I will always support and recommend Fitbit products to my active friends (and of course friends that are looking to become more active! )"
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"I was told this by FitBit support and they recommended that I buy one of the phones devices on their compatible devices list."
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"Called Fitbit support thank you echo for great customer service."
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Swimming

Swimming:
"I also made the mistake of ordering a cheap replacement band that was made in China and it wasn't well made, fell off my wrist while I was out and about at the swimming pool, and I never found the tracker again."
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"I won't use it while swimming because the bands tend not to do too well after constant exposure to water."
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"The only issue I have had is the closing clip is hard to get in and out of, and when I have been swimming, it has come undone."
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"But it doesn't track biking or rollerblading (not to mention swimming), so not great for tracking summer activities."
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"The fitbit works well, wish it was more useful for activities other than walking outside the log function (yoga swimming) and the orange color got dirty looking really fast."
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"Some complain that water collects there after they shower or go swimming."
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"I went swimming with it (just for fun)."
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"Took it swimming, like you're supposed to be able to, and it stopped working."
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"Also, I have taken a bath, gone swimming and it has been dunked in dish water and works perfectly fine!"
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"I ordered this as I already have a fitbit one but wanted to be able to wear the fitbit in the water, either while swimming or during wate aerobics."
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"It is water resistant; however, I recommend drying the band and Fitbit after showering, swimming, etc."
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Sync

Sync:
"The only thing that may not be good for some is this style has to be synced."
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"Not able to sync it at all."
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"Pros:Comfortable; easy setup; easy to use; many alternate wristbands available; syncs with MyFitnessPal food app; can challenge friends; incremental step, distance and weight loss badges to keep you motivated; great battery life, quick recharge, tracks sleepCons:I've heard the wristband can come undone, but I use a little fastener ring over the clasp."
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"today this FitBit failed to sync."
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"I purchased two Fitbits, one has worked fine the other didn't seem to want to sync right away but then seemed to be fine, now that the warranty has just expired a few weeks ago, it has quit syncing again and registering the steps completely wrong."
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"Haven't been able to get it to sync with my smartphone."
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"synced to my phone but could not sync to computedworks really well"
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"Syncing it with my phone was super easy and I have had no problems with the unit."
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"Came quickly and love how it works and syncs with the fitbit app and weight watchers app on my phone."
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"The tracker and the iPhone app work really well and they sync to my Walgreeens Balance Rewards for Healthy Choices so I'm actually getting an ROI that goes beyond tracking my sleep, hydration, steps and fitness activity."
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"work great and syncs seamlessly"
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Track

Track:
"She tracks her sleep patterns and challenges friends and family to who can do the most steps."
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"It was an easy set up the only thing I was confused on how it tracks the sleep pattern in which I was told you have to tap it twice to activate, and tap it twice in the morning to deactivate it.."
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"I know miles wise its not very accurate, and I wish I would've gotten the one that tracks stairs.."
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"And there are lovable things about it - it tracks your steps (though fails to track my exercise - whether it's classes or stair master, the only active minutes seem to be when I walk), it tracks your sleep, it gives a satisfying vibration when you meet your goals."
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"Tracks steps, sleep, and connects with other friends to challenge and step up each others' games each week!"
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"I guess it's the price that bugs me most - Essentially $100 for something that tracks my steps, activity (not terribly well), and sleep (again not terribly well).Then we have the wrist band that is falling to pieces after less than two months - that's really annoying."
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"I love my Fitbit Flex, it has help me with my walking, love the way tracks every step and the miles you walk."
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"Tracks the steps pretty accurately."
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"It seems to be very accurate, & I love that it tracks my sleep pattern!"
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"Pros:Comfortable; easy setup; easy to use; many alternate wristbands available; syncs with MyFitnessPal food app; can challenge friends; incremental step, distance and weight loss badges to keep you motivated; great battery life, quick recharge, tracks sleepCons:I've heard the wristband can come undone, but I use a little fastener ring over the clasp."
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"The new phone APP that tracks exercise was a nice feature."
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Tracking

Tracking:
"sadly my girlfriend is not happy with this as it seems not to track all the movement etc.."
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"The most annoying is not tracking stairs."
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"its functionality works as a step tracker, but the charger is one of the worst engineering products I have ever seen."
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"I am so disappointed, because when this product is working, it is the best fitness tracker I have owned."
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"The device was very ineffective for tracking."
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"This is beyond inconvenient and I cannot track my exercise consistently."
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"It helps me easily keep track of my exercising via my iPhone, the battery last for days prior to needing charging and it's easy to work."
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"It is s great tool to keep you on track with exercise..."
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"It's a great way to track your activity and sleep patterns."
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"I see how many steps I take, how well I sleep, my exercise, and can track my food and water intake."
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"It is amazing the things you can keep track of with this band that you couldn't with the Nike band."
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Treadmill

Treadmill:
"I compared it to 2 pedometers and my treadmill which all came out within 10 steps of each other - the fitbit is junk!"
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"but does measure steps well but does not measure very well when you are jogging on a treadmill."
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"When you hold onto the handles of the treadmill, the step count may not be accurate without the combination of arm and leg movement."
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"Not good for counting steps on a treadmill but fairly accurate with anything else."
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"My only complaint is it isn't very accurate when I walk on the treadmill of I keep is on my wrist."
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"Great motivator.....I hate getting on the treadmill....but I set a daily goal for steps and then hop on the treadmill to reach my goal...that could mean just 10 min....rather than dragging myself downstairs to do 30 or 40 min."
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"I have tested its accuracy against my treadmill (which counts steps in addition to miles) and against my Garmin GPS running watch."
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"I was not sure the tracking of steps was accurate because the miles the gym's treadmill said was not the same as what the fitbit recorded."
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"My iPhone tracker and my treadmill correlated well, but this was always off about 30%."
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"The Flex is perfect for tracking Treadmill and road runs."
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"It also tracks steps very well, whether out on the street or on a treadmill."
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Vibrate

Vibrate:
"I like that it vibrates when you reach your goal and you can do challenges with friends who have other fitbits"
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"Every time it does it vibrates, and it gets annoying quickly."
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"One annoying thing is that if you are pushing a shopping cart that vibrates it tends to easily go into sleep mode, where it thinks that you are sleeping."
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"So while shopping and pushing a shopping cart it blinks and vibrates (really annoying), NOT GOOD."
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"It will vibrate you awake, and one of the more troubling things is that after it vibrates, it seemingly doesn't have a snooze or even anything else on the band itself to alert you that the alarm is turned off or still on."
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"There are nights that I find myself pacing around my living room to get 700 more steps and meet my daily goal- it's always a fun surprise when the bracelet vibrates and lights up for several seconds to congratulate me."
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"What a great feeling when it vibrates that you have reached 10,000 steps!"
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"I love how it shows my progress with a little tap and love how it vibrates when I reach my goal."
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"Easy to set up and actually motivates me to meet my step goal each day--I love when it lights up and vibrates to tell me I've made it!"
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"It vibrates as it goes into this mode, so you can cancel it easily by tapping several times in succession for it to wake up.9) WHAT DO THE LIGHTS MEAN?"
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Vibration

Vibration:
"replacement sendabout a year later,as soon as warranty runs out, it stop vibrating, i missed the alarm setting."
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"Not too big of a deal but the intermittent vibrating on my wrist while I ride was confusing at first."
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"Only issue is that it isn't as accurate for walking as I would like any vibration counts"
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"The vibrations are not easy to detect."
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"battery dies way to fast and the vibration notifications are very weak"
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"The upside if you want china quality at US prices is that the vibrating alarm was great for waking up, downside is racquetball activity is nearly unmeasured."
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"That said I still wear it every day and enjoy the vibrate dance the fitbit does when I hit 10k steps a day."
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"With the Fitbit Flex I can set an alarm to wake up in the morning and instead of waking up in a startling manner, I get a light vibration on my wrist which is a much nicer way to wake up in my opinion."
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"The one thing that I am going to miss about it that I thought was really cool was that it kind of has this simple vibration that I wasn't expecting and it was really nice because you can set an alarm to wake you up with it."
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"Vibrating alarm is a pretty neat feature."
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"The vibrating definitely wakes me up in the morningsI recommend this to anyone and everyone wanting to maintain or working at reaching your fitness goals."
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Wake

Wake:
"Which isn't good when you wake up for work at 3:30 am and depend on the fitbit's silent alarm."
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"The only problem is when I try to put it to sleep or wake it up...I haven't gotten the tap pattern down."
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"Really frustrating when I wake up and realize it hasn't charged all night and it's not tracking my steps."
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"Sleep tracking is nice, or scary, to see how many times I wake up during the night."
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"I fully charged it yesterday.... wake up and bam... battery completely dead."
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"Because in all likelihood, your Fitbit will have a dead battery by the time you have to wake up."
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"It also gives me a fairly accurate feedback to how well I slept the night before and when I need to wake up before my wife and don't want to wake her I use the silent alarm feature."
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"A friend lent me a Flex they were not using to get a feel for it...I am shocked anyone buys this product for $100...I have had it for a week now.1) The clasp is more appropriate for a $5.00 item or something from a Cracker Jacks box...I have had the Flex fall off several times already and am now nervous to wear it...2) It just counts steps...other activities do not count...sorry Fitbit I do more than just walk...bicycling, kayaking, etc...very limited...3) Very hard to figure out ... how about a better how to use section on your website...maybe its there but I could not find it...My guess is this is another...Wall Street IPO that insiders and brokers made a killing on...but a decent product it is not...Wake up America demand more for $100....Very, very shock they are in business."
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"It is easy to turn off when you wake up."
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"With the Fitbit Flex I can set an alarm to wake up in the morning and instead of waking up in a startling manner, I get a light vibration on my wrist which is a much nicer way to wake up in my opinion."
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"The app is amazing, the FitBit dashboard is great, and I love that it has a silent alarm to wake me up in the morning (so does my boyfriend).I've had it a month, and I've already lost five lbs just by moving more and tracking my food."
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Warranty

Warranty:
"I am so disappointed, as it is no longer under warranty."
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"replacement sendabout a year later,as soon as warranty runs out, it stop vibrating, i missed the alarm setting."
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"Only 30 day warranty so I wouldn't recommend buying."
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"I got a replacement under warranty and was able to replace my old, damaged device."
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"Technology isn't perfect which is why their are good warranties for companies who back their products and Fit-Bit is one of them! "
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"They do have an excellent warranty replacement system, but since my device failed the third time out of the 1 year warranty, I am at a loss."
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"Worked great, wore it daily, but died just after the 1 year warranty expired."
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"I really feel like Fitbit's support team is trying to discourage customers from taking advantage of their warranty."
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"I got a replacement under warranty and was able to replace my old, damaged device."
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"They do have an excellent warranty replacement system, but since my device failed the third time out of the 1 year warranty, I am at a loss."
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"Fitbit was nice enough to replace under their warranty, but we'll see how long the new ones last...."
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Waterproof

Waterproof:
"I love my fitbit but was a little disappointed after I received it to find a waterproof model so I called customer service and they told me all fitbit flex's are waterproof."
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"I decided that I would attempt to wear it in the shower since it is supposed to be waterproof."
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"My suspicion is that these devices are not as waterproof as they claim to be as it broke right after I washed my dog in the sink."
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"Soooooo now I have this item, 6 weeks in, supposedly waterproof and now it's dead."
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"Pros-Great battery life, gets me through my work week without needing a recharge-Bluetooth syncing to phone and internet makes mobile device more powerful-Gets me motivated to out step my friendsCons-Not fully waterproof, might not stand up well under prolonged water exposure-A bit pricey."
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"Its larger, not as easy to charge up and is not waterproof."
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"Love that Fitbit is waterproof."
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"I was very suprised and happy to learn that the flex was waterproof."
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"great device, but it would be nice if it was waterproof"
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"Works great .wished it was completely waterproof"
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"This is water resistant which is nice...but I wish it was waterproof up to 50 meters."
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Wearable

Wearable:
"The problem with wearable technology as a whole is its limited in what it can do which mostly makes it a waste of money till people figure out how to make it really work together with the other tech around you."
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"The technology is young and I can't wait for more features to come out for wearables, but I'm pretty happy overall with my Fitbit Flex."
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"The Fitbit app and website interface are easy to use and sync with the wearable technology."
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"Since it's a wearable, tracker etc should have some feature that makes it easy to find after we drop it or lose it by accident."
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"I like the device and as a wearable monitor, it is pretty darned nifty."
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"If you need a lasting wearable, stay clear from the Flex."
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Wearing

Wearing:
"Love it but no time...feels weird wearing it with a watch."
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"The problem however is the band, I lost it after wearing it for 2.5 months."
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"It got dirty within 12 hours of wearing it, and it really cant be cleaned."
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"I made the mistake of wearing it into the ocean and had to dry it out before using it again...."
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"Is only sweat proof, wouldn't recommend wearing in the shower."
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"I have only missed wearing it two or three days since."
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"Love it but no time...feels weird wearing it with a watch."
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"The Fitbit is comfortable to wear and I forget I'm wearing it most of the time."
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"Looks and feels good when wearing."
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"Wearing it everyday, it has been good."
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"Love wearing it everyday."
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Weight

Weight:
"Pros:Comfortable; easy setup; easy to use; many alternate wristbands available; syncs with MyFitnessPal food app; can challenge friends; incremental step, distance and weight loss badges to keep you motivated; great battery life, quick recharge, tracks sleepCons:I've heard the wristband can come undone, but I use a little fastener ring over the clasp."
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"It was very challenging trying to get her to realize that the weight she was gaining was not contributed by the pregnancy."
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"It has helped aid in weight loss challenging my daily steps."
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"Another big plus: One thing that makes it very hard to stay on a weight loss or fitness program is that the goals are long-term."
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"I have tried many exercise and weight loss routines, but was never able to stay motivated."
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"It did motivate me to move more while it lasted but even with careful monitoring of calorie intake I found my weight loss unpredictable."
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"Light weight easily works into my varied wardrobe with choice of colored bands."
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"The good thing about this Fitbit is that it is small and light weight."
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"Came quickly and love how it works and syncs with the fitbit app and weight watchers app on my phone."
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"Very comfortable on the wrist due to light weight."
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"One of the best motivations I have for weight loss - my Fitbit keeps me honest and keeps me going."
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Workout

Workout:
"I took off 1 star for the app being annoying when entering workouts, foods, etc."
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"It also doesn't do a good job of estimating steps for workouts that you manually enter (like cycling or spinning, circuit training, etc."
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"I usually have a hard time sticking to a particular workout regime or diet but with the Fitbit friends, and the challenge zone, it keeps me motivated more than any other health app I've used."
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"Unreliable readings that make no sense when compared to actual exercise, workout or activity and too software driven without easy to access readings on the wristband itself."
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"So much fun bc all my workout buddies have one and we do challenges."
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"It's frustrating to show a blank on a day you did get a workout in."
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"The Friends application is the perfect motivation to not skip my workout! "
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"They fit great and coordinate well with any outfit, workout or casual."
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"I would recommend it to all my workout buddies."
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"But if you're looking for something more accurate for your workout this is not for you, this is more of an everyday activity tracker, seeing how much you burn through out the day and more of en estimate of what you burn though your workouts."
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"Great way to track your workouts.....Helps keep you motivated"
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