Operating System Compatibility
Apple iOS
GLONASS, GPS, BeiDou (BDS)
Metrics Measured
Target heart rate, Altitude changes, Blood oxygen, Blood pressure, Cadence, Calories burned, Cycling speed, Distance swam, Distance traveled, Duration of exercise, Duration under water, Duration of sleep stages, Electrocardiography (ECG), Hydration, Pace, Respiration rate, Resting heart rate
Protective Qualities
Dust resistant, Water resistant
