εντελώς Εξοπλίζω Μεγάλο polar heart rate belt bluetooth χρώση Να κατασκευάσουμε Δυστυχώς
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 and other