Fitbit Flex Wireless Activity Plus Sleep Wristband, Pink
Flex syncs automatically and wirelessly to tablets, computers and 150+ leading iOS, Android and Windows smartphones using Bluetooth 4.0 wireless technology.
Syncing to computers requires Internet connection and USB port. Syncing to mobile devices requires Bluetooth and Internet connection. Syncing range: 20 feet
Syncs with Windows Vista and later, Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, and leading Android and Windows devices
We recommend charging your device every few days to ensure you are always tracking. Charge time: One to two hours
Tracks steps, distance, calories burned and active minutes
Monitor how long and well you sleep
Wakes you (and not your partner) with a silent wake alarm
LED lights show how your day is stacking up against your goal
Slim, comfortable and easy to wear (includes large and small wristbands)
Make fitness a lifestyle with Fitbit Flex?a slim, stylish device that tracks all-day activity like steps, distance, calories burned and active minutes. See how every day stacks up with LEDs that light up like a scoreboard as you get closer to your goal. Then wear it at night to measure your sleep quality and wake with a silent, vibrating alarm. Day or night, Flex fits comfortably around your wrist, is water-resistant, and has a 5-day battery life. It also syncs to computers and 150+ leading smartphones, so you can access your stats anywhere and see your progress in charts and graphs.
Move it up: Since blood increases further up your arm, wear your tracker higher on your wrist to improve the heart rate signal during workouts. Start by moving the device up to three finger widths above your wrist bone, then experiment with slightly lower placement. Keep it secure: The less your tracker moves during exercise, the more chance you have of maintaining a heart rate signal throughout the activity. Do not wear the band too tightly, as this can restrict blood flow and goes against our wear and care guidelines. Hold steady for ten seconds: High intensity exercises or activities that cause you to keep your wrist bent (like push-ups) or move your arms vigorously (like dance) may interfere with heart rate signals. If you stop seeing a signal during these types of activities, hold your wrist steady for ten seconds during breaks to get your reading.