The Apple Watch Series 9 is your essential companion for a healthy life, now even more powerful. The S9 chip enables a super-bright display and a magical new way to interact with your Apple Watch without touching the screen. Advanced health, safety, and activity features provide powerful insights and help when you need it. Redesigned apps in watchOS give you more information at a glance. This model is carbon neutral when paired with the latest Sport Loop. It offers advanced health features like blood oxygen monitoring and ECG, along with notifications for irregular heart rhythms. Track your sleep stages (REM, Core, Deep) and utilize temperature sensing for insights into overall well-being and cycle tracking. The Workout app provides various training methods and advanced metrics for performance insights, with three months of Apple Fitness+ included. Innovative safety features like Fall Detection and Crash Detection can connect you to emergency services. Emergency SOS allows you to call for help with a button press. The watch works seamlessly with other Apple devices and services, including automatic Mac unlocking, Precision Finding for your iPhone, and Apple Pay. Apple Watch Series 9 requires iPhone Xs or later with iOS 17 or later. Customize your watch with a range of strap styles, materials, and colors, and personalize watch faces with complications tailored to your interests.