The polar a360 fitness tracker is a watch that is stylish comfortable and durable this is not just any ordinary watch this has technology in it that can record your heart rate keep you in touch with friends show your activity levels and moremeasuring your heart rate is now easier than ever with the polar a360 fitness tracker just simply put on the watch tighten set the mode and your ready no hassle no faffing no time wasting this will measure your heart rate anywhere at home at wo