Meet the LifeTrak Zone R420: a handy watch that helps you continuously monitor your heart rate and analyze your heart zone on your smartphone. It lets you check your heart rate with a simple touch of a button. Users can review their heart rate zone in the LifeTrak app.
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The Zone R420 is compatible with Apple Health and Google Fit. The watch is water resistant to 30 meters. The battery lasts for a year. You can find out more about it here.
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