Track steps, distance, calories burned and active minutes;See stats and time with a bright OLED tap display;Automatically track how long and how well you sleep, and set a silent, vibrating alarm;Personalize with interchangeable metal, leather and classic bands (sold separately);Effortlessly and automatically record workouts to your dashboard with Smart Track

• Fitbit Alta Fitness Tracker, Black, X-Large
• X-Large
• Black/Silver

Fitbit Alta Fitness Tracker, Black, X-LargeFitbit Inc