Fitbit Flex 2, Black (US Version)

Specifications:

• Track steps, distance, calories burned and active minutes. Comes with both small and large size band
• Ultra-thin, removable tracker hides in bands, pendants and bangles
• Swim-proof for tracking swimming, life-proof for wear in the ocean, shower, pool and beyond
• SmartTrack automatically recognizes select workouts and records them to your Fitbit app; Get call and text notifications on your wrist with unique vibration patterns and color-coded LED lights
• Automatically track how long and how well you sleep, and set a silent alarm to wake with a small vibration; LED display lights up to show progress toward your daily goal