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Fitbit Flex Wireless Activity & Sleep Wristband - Black
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Track your day, track your night! This slim, stylish Fitbit Flex wireless activity tracker and sleep wristband motivates you by offering a total fitness picture.
Limit 2 per household.
Find the right Fitbit tracker for you. View our comparison chart here.
- Flex tracks steps, distance, calories burned and active minutes, showing progress with LED lights.
- Device monitors your sleep and wakes you with a silent, vibrating alarm.
- Set goals, view progress and earn badges as encouragement.
- Rain, splash and sweat-proof device ensures durability.
- Rechargeable battery lasts up to 5 days on a full charge.
- Bluetooth 4.0 automatically syncs data to your computer or other device.
- Flex tracker with wireless sync dongle
- One small & one large wristband
- Charging cable
- Free Fitbit.com membership & app
- Manufacturer's 1-year limited warranty
- Overall: 3''H x 3.75''W x 0.5''D
- Small band: fits wrists from 5.5'' to 6.9'' in diameter
- Large band: fits wrists from 6.3'' to 8.2'' in diameter
- View a list of compatible Fitbit devices.
- Model no. FB401BKK
Our hassle-free return policy means worry-free shopping.
- Return any item, anytime, for any reason.
- No receipt? No problem. We'll take care of you.
- Yes, you can return it in store (even if you bought it online!).
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