Operating System Compatibility
Apple iOS
GPS, GLONASS, Galileo, BeiDou (BDS)
Metrics Measured
Electrocardiography (ECG), Steps taken, Hours slept, Resting heart rate, Target heart rate, Skin temperature, Altitude changes, Cadence, Cycling speed, Distance traveled, Duration of exercise, Duration of sleep stages, Hours slept, Laps swam, Pace, Route, Water temperature
Maximum Depth of Water Resistance
164.04 feet