Track steps, distance, calories burned and active minutesUltra-thin, removable tracker hides in bands, pendants and banglesSwim-proof for tracking swimming, life-proof for wear in the ocean, shower, pool and beyondSmartTrack 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 lightsAutomatically 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