Adidas miCoach app supports the Bluetooth Low Energy miCoach Heart Rate Monitor - MSPoweruser
Best Buy: adidas miCoach Heart Rate Monitor Black Z51348
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
Best Buy: adidas miCoach Heart Rate Monitor Black Z51348