Features
Wide-angle Always-On Retina display, Up to 2000 nits, Up to 40% brighter when viewed at an angle, Double tap gesture, On-device Siri with health data access, Precision Finding for iPhone, High and low heart rate notifications, Irregular rhythm notifications7, Low cardio fitness notifications, Sleep apnea notifications, Up to 18 hours, Up to 36 hours in Low Power Mode, Fast charging