The Coros Heart Rate Monitor is designed to live on the upper arm, which doesn’t suffer from the same movement as the wrist, and while it still uses an optical sensor, it should produce more reliable data. We’ve lived and sweated with the Coros Heart Rate Monitor. Here’s how it performed.
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The Coros Heart Rate Monitor is just about as simple as a heart rate monitor gets it's attached to a band that fits around your arm and is truly comfy, too.