Fitbit Charge HR Wireless Activity Wristband, Black, Large

Make every beat count with Charge HR—a high-performance wristband with automatic, continuous heart rate and activity tracking right on your wrist. See heart rate all day and during workouts to get more accurate calorie burn, reach your target workout intensity and maximize training time. Track steps, distance, floors climbed and sleep quality and more, and stay connected with Caller ID and time of day on display. Charge HR also wirelessly syncs to your smartphone and computer so you can monitor your trends and get the motivation you need to push yourself further—every step, every beat, every day.
Get continuous, automatic, wrist-based heart rate and simplified heart rate zones
Track workouts, heart rate, distance, calories burned, floors climbed, active minutes and steps
Monitor your sleep automatically and wake with a silent alarm
See call notifications, daily stats and time of day on the OLED display
Sync stats wirelessly and automatically to your computer and over 120 leading smartphones