Take calls and reply to texts, right from your wristUp to 20% faster than the previous Apple Watch SE2Advanced safety features, including Fall Detection, Emergency SOS,³ and Crash DetectionTrack your daily activity on Apple Watch, and see your trends in the Fitness app on iPhoneEnhanced Workout app with more advanced ways to trainGet high and low heart rate and irregular rhythm notifications⁴Listen to your favorite music, podcasts, and audiobooksMake purchases instantly and securely from your wrist with Apple Pay⁵Swimproof design⁶Sleep stages tracking lets you see how much time you spend in REM, core, and deep sleepwatchOS 9 features an enhanced Workout app, a newMedications app, sleep stages, and greater insights into heart healthApple Watch comes with 3 free months of Apple Fitness+, featuring 11 different workout types, from HIIT to Yoga, and even meditations⁷