Large Wrist size 6.3 to 8.2 inches or 161 to 209 mm
Small Wrist size 5.5 to 6.9 inches or 140 to 176 mm
Never stop moving with Fitbit Flex.
Reach your goals 24 hours a day
Flex is your perfect companion. Wear it on your wrist day and night and it will track all of your activity. Just check out the lights to see how you stack up against your personal goals. It's the motivation you need to get out and be more active.
- Steps Taken
- Distance Traveled
- Calories Burned
- Active Minutes
- Hours Slept
- Quality Of Sleep
Set your Goal. Sync your Stats
Set a personal goal.
Flex uses LED lights to show you how your day is stacking up against your goal.
Sync your stats real-time
directly on select iPhone and Android devices and computers. See your stats anytime. Also with some Android devices, you can tap your device to launch your Fitbit stats.
Track your goals with online & mobile tools
You can set goals, track your activity, sleep trends, log food, workouts, and more. And like with all Fitbit trackers, you can earn badges, connect with friends to share and compete for extra encouragement.