<ul><li>Includes both small and large wristbands</li><li>Tracks steps, distance, calories burned and active minutes</li><li>Monitor how long and well you sleep</li><li>Wakes you (and not your partner) with a silent wake alarm</li><li>LED lights show how your day is stacking up against your goal</li><li>Slim, comfortable and easy to wear (sold with both large and small wristbands included with an interchangeable clasp)</li><li>Sync stats wirelessly and automatically to your computer and over 150 leading smartphones</li></ul><br><br>Make fitness a lifestyle with Fitbit Flexa 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.

FitBit Flex Wireless Activity Plus Sleep Wristband, Blue