The garmin vivosmart hr wristwatch is a sleek and comfortable all day watch your stats are always on display even in sunlight viacutevosmart hr smart activity trackersup1 with elevatetrade heart rate technology1 measures heart rate at the wrist 247 that gives you the freedom to work out with no additional heart rate strap needed using heart rate viacutevosmart hr provides calories burned information and quantifies the intensity of your fitness activities providing better cr