Polar Polar Verity Sense Optical Heart Rate Monitor Armband for Sport ANTPlus and Dual Bluetooth HRM Waterproof HR Sensor with only One Button Verity S £180.79 at 1 shop
Polar Polar Verity Sense - Optical Heart Rate Monitor Armband for Sport - ANT+ and Dual Bluetooth HRM - Waterproof HR Sensor with only One Button - Compatib £142.73 at 1 shop
