Brand: AppleAlways-On Retina display up to 2000 nitsS9 SiPDouble tap gesturePrecision Finding for iPhoneBlood Oxygen app, ECG appHigh and low heart rate notificationsLow cardio fitness notificationsCycle Tracking with Retrospective Ovulation EstimatesFall Detection and Crash Detection50m Water-resistant and Swim proofUp to 36 hours in Low Power Mode
