Polar Vantage M3

GPS Sports Smartwatch - A compact and stylish sports watch with 150+ sport profiles, training load measurement, AMOLED display, sleep and recovery measurement, offline maps and Polar's unique Biosensing Technology with ECG measurement, oxygen saturation measurement, skin temperature measurement and the latest generation of optical heart rate measurement. It is a personal trainer on your wrist for optimal guidance in your daily health and sports performance.