Vivosmart HR smart activity tracker with Elevate™ wrist heart rate technology measures your heart rate 24/7. Using heart rate, vívosmart HR provides calories burned information and quantifies the intensity of your fitness activities, providing better credit for your efforts. In addition to measuring steps, calories and distance, Vivosmart HR measures floors climbed with its integrated barometric altimeter. It automatically syncs with your smartphone throughout the day to save your stats to our free online community. At Garmin Connect™, you can save, plan and share your activity and beat yesterday in your daily step count. Connect with other users to challenge and compete. Vivosmart HR learns your current activity level, then assigns an attainable daily step goal. As you meet your milestones, it will adjust your goal for the next day, gradually nudging you toward a healthier lifestyle. Returns would ONLY be accepted in case of a Defect or Damage. For more, please visit the Returns & Cancellation Policy section in the Menu.