Polar h10 heart rate chest strap sensor xs s
The polar h10 heart rate chest strap sensor provides highly accurate heart rate measurement to help you achieve your goals faster and offers a comfortable fit and excellent skin contact thanks to the soft and lightweight polar pro strap with a secure buckle the device is suitable for swimming 5 khz transmission frequency works with all bluetooth compatible polar watches and trackers and lets you turn your smartphone into a personal trainer due to compatible polar beat fitness and training ap