1.
Advanced Health Monitoring: Measure blood oxygen, take ECG, track sleep, and get heart rhythm notifications.
2.
Larger Always-On Retina Display: Easier to use and read with a larger, always-on display.
3.
Cellular Connectivity: Send texts, make calls, stream music, and use Siri without your iPhone.
4.
Incredible Durability: Crack resistant, dust resistant, and swimproof for tough conditions.
5.
Ultimate Fitness Partner: Advanced sensors track workouts and movements, includes 3 months of Apple Fitness+.