Pulse Link 2.0 brings more ways to track and share your heart rate. - AirPods workouts: start a workout on iPhone using compatible AirPods with heart-rate sensing. Requires iOS 26 or later. - Apple Watch takeover: view your iPhone workout on Apple Watch and switch to Watch sensors when needed. - Live Activities: follow heart rate, workout time, training zone and Bluetooth connection status on the Lock Screen and Dynamic Island on supported iPhones. - More flexible training zones: choose Karvonen or the new Simple age-based method, with clearer profile settings and consistent zones throughout each workout. - Broadcast Warmup: prepare your Bluetooth connection before starting a workout, and keep a manually started warmup available between sessions. - Improved workout summaries and Apple Health saving, with clear Keep and Delete choices when automatic saving is off. - Better recovery after interruptions, more reliable controls across devices and clearer heart-rate signal status. Update both the iPhone and Apple Watch apps for the complete experience.