Description
A battery you
can’t outrun.
Features
The longest battery life of any Apple Watch. Now with up to 45 hours of Max Extended Workout trackingAll-new Health Sensing System delivers the most accurate heart rate sensing in a wearableA new personal readiness score tells you whether to rest or put yourself to the testMore frequent heart rate variability, or HRV, readings help provide insights on stress and recoveryIn the redesigned Health app, learn which habits are influencing your Health Age and how to improve themMake every day more effortless with Siri AI.4 And seamless with Audio Intelligence, powered by the S11 chipApple Watch Ultra 4 features built-in satellite communications that help you stay connected and safe off the grid