Fitbit Flex - Activity and Sleep Tracker - Stock image
Copy Space, Image, Activity, Alarm Clock, Bluetooth
Antibes, France - June 18, 2014: Fitbit Flex activity and sleep tracking wristband, in black. The tracker is intended to help the wearer attain a more healthy and active lifestyle. Bluetooth wireless technology is used to communicate logged data to smartphone or computer for analysis, and the device can also function as a silent, vibrating alarm clock.