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iPhone 15 Series
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Always-On Retina display
Up to 2,000 nits
Double tap gesture^
Precision Finding for iPhone
Blood Oxygen app3
ECG app4
High and low heart rate notifications5
Irregular rhythm notification5
Temperature sensing6
Cycle tracking with retrospective ovulation estimates7
Emergency SOS8
International Emergency Calling9
Fall Detection and Crash Detection8
Water resistant11
Swimproof
GPS
Available cellular connectivity13
Family Setup14
Pair multiple watches with one iPhone
Up to 18 hours16
Up to 36 hours in Low Power Mode16
Fast charging17