Make every beat count with Fitbit Charge 2TM the all-new heart rate and fitness wristband. Maximize workouts with PurePulse® heart rate, multi-sport modes and Connected GPS. Track all-day activity, exercise and sleep. And make the most of your routine with smartphone notifications, Reminders to Move and guided breathing sessions- Large OLED screen- Long battery life- Auto sleep tracking- Smart phone connectivity; Call, text & calendar alerts- Connected GPS