Health essentials such as temperature sensing. Get a daily sleep score sleep apnea notifications and heart rate alerts. Up to 18 hour battery life. Get real-time metrics and Workout Buddy powered by Apple Intelligence. Send texts take calls get notifications and more. Cellular - stay connected without phone using cellular carrier. Detects falls or crash and auto connects with emergency services and contacts. Set up Apple Watch For Your Kids. Always-On Retina display. Digital Crown with haptic feedback. Aluminum case with tough Ion-X front glass.