Find the heart beat fast and is accurate. If all you need is a heart rate monitor chest strap, you can't go wrong with it. It's a Ant+ and BLE chest strap so will work with many types of devices. I have thousands of activity hours with it since 4 years ago (over 22K km of running and cycling) and only changed the battery three times.

Heart Rate Features. Wrist-based Heart Rate. Wearing the Device; Tips for Erratic Heart Rate Data; Viewing the Heart Rate Widget; Setting an Abnormal Heart Rate Alert; Broadcasting Heart Rate to Garmin Devices; Turning Off the Wrist-based Heart Rate Monitor; About Heart Rate Zones. Setting Your Heart Rate Zones; Heart Rate Zone Calculations

From past 3 week heart rate sensor green lights not working at all. Tried restarting several times. Tried restore to defaults. Still no green lights.

A dedicated community for Garmin users to ask questions, provide answers, and share feedback. vivoactive 4 Series Vivoactive 4s Heart rate sensor stops randomly.
Heart Rate Features. Wearing the Device and Heart Rate; Viewing the Heart Rate Widget. Turning Off the Wrist Heart Rate Monitor; Setting Your Heart Rate Zones. Letting the Device Set Your Heart Rate Zones; Broadcasting Heart Rate to Garmin Devices; Tips for Erratic Heart Rate Data; Recovery Heart Rate; Widgets. Viewing Widgets. Customizing the
Description. Get street cred for your sweat. The Strava real-time Relative Effort app analyzes your heart rate during a workout and ranks your total activity effort. The deeper you dig and the longer you hold, the higher your Relative Effort. Relative Effort requires a built-in optical heart rate sensor or a paired heart rate monitor. Be sure
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garmin vivoactive 4 heart rate not working