No image available
No image available
Your request is being processed.
Your request is being processed.
Share | |
436540

Fitbit Flex™ Black Wireless Activity + Sleep Wristband

(Model: FB401BK)

AVERAGE REVIEW RATING

PRODUCT QUESTIONS

Read Product Questions
Premium Service Plans

Premium Service Plans what is this?

None
2-year Replacement Plan $19.99 (Details)
Your Price $99.99
Please enter your ZIP Code and select a fulfillment type before adding to cart

Product Features

Wear this slim, stylish device all the time and get the motivation you need to get out and be more active. It tracks steps, distance, and calorie burns shows you how you're stacking up against your daily goals. At night, it tracks your sleep cycle, helps you learn how to sleep better and wakes you silently in the morning. Access your stats anytime on your computer, tablets or from leading smartphones - both iPhone and Android. Flex is your perfect companion, it's with you everywhere... even in the shower. Plus, it looks good no matter what you're wearing.


  • Track your activity and your sleep - Track steps, distance, calories burned and sleep
  • Sync your stats wirelessly - Flex automatically syncs your data to PCs, Macs, many iOS devices and select Android phones without plugging in or pushing buttons. This gives you real-time access to your stats on the Fitbit dashboard throughout the day. Also with select NFC-enabled Android devices, you can tap your device to launch your Fitbit stats. It's like magic
  • See real-time progress - Get the full picture with free graphs, charts and tools
  • Make fitness fun - Set daily goals, earn badges and challenge friends to get fit
  • Set a goal and go - 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
  • Helps you get sleep - Flex never sleeps, even when you do. Continue to wear it all night and it’ll measure your sleep quality. Your dashboard will reveal how long you slept and the number of times you woke up to help you learn how to sleep more soundly. Flex also has a silent wake alarm that gently vibrates to wake you at your desired time, without disturbing your partner
  • Always by your side - Flex is your perfect companion. It fits comfortably around your wrist so you can wear it proudly all day and night
  • Track runs and hikes - Use GPS from your phone to track key run and hike stats like place, time, splits and distance
  • Map routes - View your routes and mile markers as you move, then scroll through your history and route maps
  • Record workouts - Log workouts in seconds and see them appear instantly on your monthly exercise calendar
  • Voice cues and music control - Get on-the-go pace and distance stats with voice cues, and control your music right from the app
  • Barcode scanner - Use your smartphone to scan food barcodes and instantly capture complete nutritional information
  • Bigger database - Choose from 350,000+ foods in our credible database, including grocery brands and restaurant items
  • Meal shortcuts - Log foods fast with meal shortcuts that automatically suggest the foods you usually pair together
  • Calorie coaching - Use it with your Fitbit tracker to compare your calories in with calories out
  • Includes: Flex™ Tracker, Small and Large Wristbands, Charging Cable, Wireless Sync Dongle, Free Fitbit Account