Wearable Heart Rate Monitors
Here's How to Seamlessly Track Your Heart Rate With Wearables
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The classic HRM choice is the band you wear around your chest, like this Polar H7 heart rate sensor ($80). Worn separately, you don't have to attach the monitor to your clothes, which means you don't have to wear the same sports bra or top over and over. To read your results, sync with your app, watch, or tracker.