Fitbit Flex Wireless Activity and Sleep Tracker Wristband Black

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... Discounted at only: US$ 49.99