The Fitbit Charge Heart Rate brings you a high-performance option to track your health one step at a time. You can make every beat count with this device. It is designed to give you an automatic, continuous heart rate. It also tracks your activity right on your wrist during the day. Use it for workouts, walking and beyond. The heart rate wrist band has a slim construction that is comfortable to wear. It is lightweight, making it relaxing as well as stylish. See your heart rate 24/7 to get a more accurate account of the calories you burn. It can also help you reach your target workout intensity, maximize training with simplified zones and get health insights. See the stats like steps, distance, floors climbed and sleep quality to make the most of your day. Stay connected with caller ID and wirelessly sync to a smartphone. Hook it up to the computer to monitor statistical trends.