Apple Watch Series 9 Sport Band

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