Fitbit Flex activity tracker - black

Mfg. Part: FB401BK | CDW Part: 3256627 | UNSPSC: 43211511
$91.99Advertised Price

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  • Activity tracker
  • Bluetooth
  • 0.4 oz
  • black
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Product Overview
Main Features
  • Activity tracker
  • Bluetooth
  • 0.4 oz
  • black
This slim, stylish device is with you all the time. During the day, it tracks steps, distance, and calories burned. At night, it tracks your sleep quality and wakes you silently in the morning. Just check out the lights to see how you stack up against your personal goal. It's the motivation you need to get out and be more active.

Flex allows you to set a goal and uses LED lights to show how you're stacking up. Each light represents 20% of your goal. You choose which one - steps, calories, or distance. It lights up like a scoreboard, challenging you to be more active day after day.

Powered by Fitbit's leading-edge accelerometer, Flex bases calculations like calories burned on your personal profile - reflecting your stats, not any average Joe's.

Technical Specifications
Specifications are provided by the manufacturer. Refer to the manufacturer for an explanation of the print speed and other ratings.
Run Time (Up To): 120 hours
Technology: Lithium polymer

Environmental Parameters
Max Altitude Operating: 29990 ft
Max Operating Temperature: 113 °F
Min Operating Temperature: -4 °F

Brand: Fitbit
Manufacturer: FitBit
Model: Flex
Packaged Quantity: 1
Product Line: Fitbit

Color: Black
Color Category: Black
Compliant Standards: Directive 1999/5/EC , Directive 2006/95/EC , Directive 2011/65/EU , EN 300 328 V1.7.1 (2006-10) , EN 301 489-17 V2.2.1 (2012-09) , EN 50581:2012 , EN60950-1:2006 + A12:2011 , FCC Part 15 , R&TTE
Included Accessories: USB charging cable , Wireless sync dongle , Wristband (140 - 176 mm) , Wristband (161 - 209 mm)
Protection: Splashproof , Waterproof
Vibrating Alert: Yes

Type: Silent alarm

System Requirements
Min Operating System: Apple MacOS X 10.5 or later , Microsoft Windows Vista / XP / 7 / 8

Dimensions & Weight
Height: 0.4 in
Weight: 0.4 oz
Width: 0.6 in

Wireless Interface: Bluetooth 4.0

Sensors: Three-axis accelerometer

Product Type: Activity tracker
Tracking Data: Activity , Calories burned , Distance , Sleep activity , Steps taken

Product Reviews
Rated 3 out of 5 by 8reviewers.
Rated 4 out of 5 by Loved it I have had mine for a year now. And I absolutely love it. It really motivates me. The reason why I only gave it a 4* is because the bracelet really sucks. I have lost it a couple of times and found it. Almost lost it a few times and caught it before it fell especially when putting on jackets. Lost it at the trailer park and someone found it and gave it back and 1 week later lost it in the secret lagoon in Iceland. Someone in Iceland is now wearing it :( I miss it so much. So I will have to pay the extra and order the better one that has the clasp bracelet. November 25, 2016
Rated 4 out of 5 by FItbit Flex I have had my fitbit for 3 months and love it. Once I got the hang of working it, took me a couple days I enjoy seeing how many steps I make in a day. And logging on to the sleep at night is a bit of a pain but once you remember it all works out. April 24, 2016
Rated 4 out of 5 by Works as expected. Inexpensive intro to wearables. Tracks my steps better than my galaxy s6. Tracks my sleep pattern as advertised. Although the tracking is simply monitoring if I move while I sleep. To get the most out of this product you need to pair it with your phone via bluetooth with Fitbit app. Otherwise attracts nothing in a meaningful way. The product is more complete if you use it with endomondo. Track all your real fitness activities with endomondo and allow Fitbit to supplement endomondo with steps and sleeping patterns. Endomondo also feeds Fitbit database profile with your workouts. I recommend removing this device when you're biking and track your ride with endomondo. Otherwise you get extra steps counted while you're riding your bike. Same goes for pushing a shopping cart. Put the device in your pocket when you're shopping with a vibration from the shopping cart will put the Fitbit in sleep mode which is usually done by tapping on it repeatedly for for a few seconds. Setting the alarm with the Fitbit app causes the wristband to vibrate as an alarm in the morning which is also very nice . I personally have not had any trouble with it coming off . Overall it's just a good supplemental device to go with your fitness apps. I just wish that it would sync with s help from Samsung but that's why I stuck with endomondo. December 13, 2015
Rated 1 out of 5 by Don't buy The wrist band isn't very secure. Mine has come off in bed twice and I've found it in the laundry once. Only a matter of time before I loose itAlso. Many movements activate the "sleep feature" today I was clapping and it turned into sleep mode.I'm very disappointed! Not worth the money! May 28, 2015
Rated 5 out of 5 by Loving the simplicity! I love the simplicity of this wristband. Seamlessly integrates with my Fitbit app. But I wish it came in more designs for men! February 5, 2015
Rated 4 out of 5 by Works as described This is a fairly simple, easy to use device. The online dashboard shows all information tracked (sleep, steps, etc.) at a glance and is customizable. The windows phone app is also great for keeping track during the day; this is fully integrated with the online dashboard.I've had no problems with battery life, easily lasting through a work week (~5days); it does decrease if you set multiple alarms (which vibrate).Sleep tracking is surprisingly the most interesting tool along with goal setting for number of steps taken in a day.I like it. January 16, 2015
Rated 1 out of 5 by Fitbit Flex Wireless I bought this today and it comes with NO instructions and now I read the review with one star, I am returning the product January 7, 2015
Rated 1 out of 5 by Battery Failed The battery is quoted to last 5 days between charges. I only get 9 hours before it is dead. I am returning the product. October 29, 2014
  • 2017-01-10 T11:38:56.101-06:00
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3/28/2017 7:52:44 AM
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