The Apple Watch Series 11 offers invaluable health insights, including high or low heart rate notifications and a sleep score to help you understand and improve your sleep quality. It acts as a powerful fitness partner with advanced metrics for all workouts, and boasts up to 24 hours of battery life for all-day tracking. Key features include hypertension notifications, ECG capability, irregular rhythm alerts, and blood oxygen monitoring. Its thin and lightweight design ensures comfort for round-the-clock wear. Enjoy advanced fitness features like Pacer and Heart Rate Zones, with Workout Buddy powered by Apple Intelligence. The watch supports fast charging and is built to last with a scratch-resistant display, 50m water resistance, and IP6X dust resistance. Safety features include fall and crash detection with automatic emergency service connection. Stay connected on the go with cellular capabilities, allowing calls, texts, and music downloads without your iPhone, now with speedy 5G connectivity. Please note: Requires iPhone 11 or later with iOS 26 or later. Hypertension notifications are not for individuals under 22, those previously diagnosed with hypertension, or pregnant persons. Data plan and 5G availability vary by market and provider. Battery life varies by use and configuration. Apple Intelligence features require a nearby compatible iPhone and Bluetooth headphones. ECG app and irregular rhythm notification have age restrictions and specific usage guidelines. Sleep apnoea notifications are available on specific models for individuals 18+. Vitals and Blood Oxygen apps are for wellness, not medical use. Apple Fitness+ requires a subscription. Fast charging compatibility varies by model. Water resistance is not permanent and requires adherence to guidelines.