Fitbit FB403BK-WMT Flex 2"Waterproof Activity Tracker, Black

Meet the all-new Fitbit Flex 2TM-a slim, swim-proof fitness wristband that's ready to go wherever life takes you. The ultra-thin, removable tracker hides in bands, bangles and pendants, so you can wear it in a way that's all your own. Automatic all-day activity and sleep tracking show you how your entire day adds up, and SmartTrackTM automatic exercise recognition records your exercises for you...