
Ultra 4 Elevates Apple Watch with S11 Chip and Deep Health Upgrades
Apple Watch Ultra 4 debuts with a new S11 chip and 4GB RAM, introducing a revamped Health Sensing System that unlocks deeper health insights (advanced heart-rate tracking, higher-frequency HRV, recovery HRV) and more accurate step tracking. It delivers up to 50 hours of battery life (84 hours in Low Power Mode) and 15-minute charging for about 18 hours of runtime. New Readiness software and Audio Intelligence features (Sound Recognition, Live Rewind, Siri Recap, Shazam) expand functionality. Pre-orders start at $799, with shipping on September 18.


