Enjoy up to 5 days of battery for daily progress without constant charging; Varies with use Get call, text, calendar and smartphone app notifications right on your wrist Connect inspire hr to your phone's gps and see real-time pace and distance on your wrist 24/7 heart rate more precisely tracks calorie burn, resting heart rate and heart rate zones Automatically track sleep, plus get more insights into your light, deep and rem sleep stages Track all-day activity: Your hard-earned steps, distance, hourly activity, active minutes and calories burned Automatically and conveniently record workouts like walks, swimming and bike rides in a snap with smart track