This slim, stylish device is with you all the time. During the day, it tracks steps, distance, and calories burned. At night, it automatically 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.
Fitbit Flex Wireless Activity and Sleep Wristband: Monitor your fitness and sleep habits with this wristband, which measures active minutes, sleep length and quality and other data, then automatically syncs with your mobile device or computer.
- Measures active minutes and sleep length and quality. The number of steps that were taken, distance traveled, calories burned and elapsed time, so you can keep track of your fitness and sleep metrics.
- Silent wake alarm. Offers a discreet alert.
- Backlit display Provides clear readouts.
- Water-resistant design. Withstands intense workouts.
- Automatic syncing. Allows you to transfer data to your compatible iOS, Android or Windows Phone mobile device or your computer.
- LED lights. Indicate your daily progress and show how it corresponds to your daily goals.
- Low-battery indicator. Lets you know when to recharge the battery.
Stay focused on your goals and get motivated to be more active with Flex--a slim, stylish device that tracks all-day activity like steps taken, distance traveled, calories burned and active minutes.
Step. Sleep. Wake. Repeat
Fitbit Flex automatically tracks how long and how well you sleep—no tapping necessary—so you can monitor your sleep trends without interrupting your nighttime routine. It also includes a silent, vibrating alarm to make your wake-up call more peaceful.
Flex lets you see how every day is stacking up with LEDs that light up like a scoreboard as you get 20% closer to completing your step, calorie or distance goal.
With you all the time
Flex fits comfortably around your wrist, is water-resistant and has a 5-day battery life, so you can wear it day to night. And with a variety of available accessory bands, you'll find the right Flex for every occasion.
Flex syncs your daily stats to your computer and over 150 leading smartphones--including Android, iOS and Windows--and shows your progress in easy-to-read charts and graphs, to give you the push you need to keep moving toward your goals.
Style + Accessories
Style your Flex tracker with bright accessory bands. To change bands, simply pop the slim Flex tracker out of your wristband and slip it into the accessory band that fits your personality.