The HeatSense Kit comes with a Polar10 Heart Rate Monitor. If you do not have a Polar10, please vist the Support site of the brand from which you use a Heart R...

COROS Heart Rate Sensor: Battery & Charging Guide The COROS heart rate sensor delivers: ~38 hours of full operation on a single charge Up to 80 days of standby...

Battery Life The HeatSense sensor battery lasts approximately 6 days in default mode. When standby mode is enabled, the battery life can extend up to 1 month, d...