
Apple Watch Ultra 4: Slimmer Design, Touch ID and AI Health Upgrades
Rumors suggest the Apple Watch Ultra 4 will adopt a slimmer titanium body with rugged durability, possibly add Touch ID, and feature an upgraded health sensor suite with hypertension alerts, a brighter LTPO3 display up to 3,000 nits, extended battery life (about 42 hours standard, 72 hours in low-power mode) and fast charging, all paired with AI-powered enhancements in watchOS 27.













