Motorola 68016647001-AM heart rate monitor helps you track your heart rate during workouts. It features ANT+ connectivity, allowing you to pair it with compatible fitness devices, such as the MOTOACTV watch. The monitor is easy to set up and use. Simply moisten the electrodes, wrap the strap around your chest, and snap the transmitter in place. To change the battery, use a flathead screwdriver to remove the cover, replace the battery, and reattach the cover.