Get to know your body – track your fitness progress with our first smart watch that measures body composition. Compete with friends and family and communicate via the live message board. Challenges are rewarded with badges and evaluated in a score system to make movement fun and social. Fitness Tracker – Track your activities and fitness results on watch and smartphone. Steps, check calories and find your way with GPS. Blood Pressure and ECG – The Samsung Health Monitor App can create an ECG and determine blood pressure. After the first calibration, the sensors of the smart watch check blood pressure. Sleep Tracker – Detects and analyses your sleep phases and measures blood oxygen saturation (SpO) while you sleep.