To the fitness data-obsessed comes the latest in wearable fitness and sleep trackers from Fitbit: the Fitbit Flex Wireless Activity and Sleep Wristband. The Fitbit Wristband tracks steps taken, calories burned, active minutes, hours of sleep and quality of sleep. It uses LED lights to let you know how you are tracking against a preset daily fitness goal, and syncs data real time with iPhone and Android devices as well as you computer. You can also set and share goals online if you need some extra motivation from friends.
It comes in slate, black, teal and tangerine.