BatteryTrack all-day activity, including steps, distance, hourly activity, active minutes and calories burned, Automatically track your sleep & set silent alarms that wake you by buzzing on your wrist, Enjoy up to 5 days of battery for daily progress without constant charging. Varies with use & other factors, Automatically and conveniently record workouts like walks, swimming & bike rides with SmartTrack, The on-screen dashboard, intuitive touchscreen & backlit display make the Inspire tracker easy to use & love