The thinnest HR-equipped activity tracker from Garmin at 4mm thinner and more form fitting than vívosmart HR. Physical size: Width: 0.7 inches, Length (large): 8.77 inches, Circumference (large): 5.8-8.5 inchesWhile not in use, the discreet display disappears into the device so as not to overshadow your styleMeasures VO2 Max, which is widely recognized as an excellent mearureStress monitoring enables users to see periods of elevated stress or restful recoveryNew strength training activity will count sets, reps, and rest times and will push them to Garmin Connect for review
