Make fitness a lifestyle with Fitbit Flex--a slim, stylish device that tracks all day activities like steps, distance, calories burned and active minutes.  See how every day stacks 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 leading smartphones, so you can access your stats anywhere and see your progress in charts and graphs. This item can sync directly to select iOS and Android devices.  iOS:  iPhone 4S, 5, 5S, 5C, iPod touch (5th gen), iPad 3, 4 & mini.  Android: Samsung Galaxy Note 10.1, Samsung Galaxy Note II, Samsung Galaxy S III, Samsung Galaxy S4. Reach your fitness goals with the help of the Fitbit Flex!