Track heart rate continuously on your wrist to maximize workouts, better track calorie burn and get a clearer picture of your health - all without an uncomfortable chest strap. Track steps, distance, calories burned, floors climbed, active minutes & hourly activity with long-lasting battery life. To help you stay active throughout the day, Charge 2 sends reminders to move that encourage you to take 250 steps every hour. Charge 2 automatically tracks how long and how well you sleep to help you work toward a better routine.

Product Type: Activity tracker Integrated Components: Heart rate sensor Supported Host Device OS: iOS, Android, Windows Phone Tracking Data: Distance, time, calories burned, activity, sleep activity, heart rate, steps taken Color: Silver Features: Calendar notification, SMS notification, tap control, PurePulse heart rate technology, changeable band, SmartTrack, inactivity alert Type: OLED - monochrome Wireless Interface: