Product details 49mm titanium case size LTPO2 OLED Always‑On Retina display Up to 3000 nits ECG app1 High and low heart rate notifications1 Irregular rhythm notifications2 Low cardio fitness notifications Blood Oxygen app3 Sleep Tracking Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen, and sleep duration3, 4 Temperature sensing5 Cycle tracking with retrospective ovulation estimates6 Emergency SOS7 Fall Detection and Crash Detection7, 8 Siren Water resistant11 Swimproof11 Depth to gauge 40m Water temperature sensor High-speed water sports Recreational scuba to 40m Precision dual‑frequency GPS Cellular connectivity13 S9 SiP Double tap gesture Precision Finding for iPhone14 Up to 36 hours normal use17 Up to 72 hours in Low Power Mode17 Fast charging (0–80% in about 1 hour)18 View More View Less
