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.
Orangetheory's new OTbeatLink lets members use their own Apple Watch instead of the brand's separate heart rate monitor during exercise classes.
Mercey Livingston. CNET. Thu, 12 Dec 2019 14:00:09 +0000.