Wear fitness your way with Fitbit Alta - a customizable fitness tracker designed to fit your personal style. Track all-day activity and get credit for your workouts with SmartTrack automatic exercise recognition. At night, track sleep and set a silent alarm to wake better and get your best rest. Fitbit Alta features an easy-to-read OLED screen that keeps your goals in focus with stats, time, and call or text notifications on display. Black, size large.