Polar - Polar H6, a brand new Bluetooth heart rate sensor has just been introduced at CES, the world's largest consumer technology tradeshow! The Polar H6 heart rate sensor provides live, accurate
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Amazon.com : Polar Verity Sense - Optical Heart Rate Monitor Armband for Sport - ANT+ and Dual Bluetooth HRM - Waterproof HR Sensor with only One Button - Compatible with Peloton, Zwift