Apple Watch Ultra 4

Titanium case, the screen displays complex functions on the surface: date, physical status, heart rate, running fitness training, weather, there is a digital crown and raised side buttons on the right side of the fuselage

49mm titanium case

Wide-angle always-on Retina display

Up to 3000 nits

body status app

Restoring heart rate variability

Frequency heart rate background tracking

High blood pressure notification, electrocardiogram app, blood oxygen app

High or low heart rate notification, irregular heartbeat notification

Sleep score, sleep apnea notification

S11 chip

Siri AI

audio intelligence

Find iPhone accurately

Typical use up to 50 hours

Low power mode lasts up to 84 hours

The ultimate extended workout tracking for up to 45 hours