Introducing the garmin vivosmart hr gps device its a brilliant activity tracker that you can wear on your wrist to track can track your every move from walking or running to cycling vvosmart hr activity tracker uses elevate wrist heart rate technology to monitor heart rate at the wrist 247 that gives you the freedom to work out however you want with no additional heart rate strap needed here you can track calories burned your progress against activity goals now with gps you ca