The Best Heart Rate Monitors of 2017

The Best Heart Rate Monitors of 2017
Optical technology is what’s used in many Fitbit devices, the Apple Watch, and other wrist-based activity trackers. It’s also typically used for in-ear measurements in the case of sports headphones that read heart rate. Without getting too technical …
News story posted on 2017-03-09T20:09:00

Ron Kerr

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