Heart rate monitors keep track of your heart rate during exercise and can be a valuable workout accessory. Learn about reaching your fitness goals with the help of a heart rate monitor.
It's been a couple of years since we have seen a high end GPS sports watch from Polar and the Vantage V looks exciting. Polar also revealed a new mid-level device for the casual athlete.
ZDNet. Thu, 13 Sep 2018 10:00:00 +0000.