Key Features . Extra-thin Apple Watch with an extra-big displayGet invaluable health insightsDepth and water temperature sensors for your aquatic adventuresFast charging - 80% battery in 30 minutesMore ways to fine-tune your fitness experience like customizing Activity rings to match your lifestyle . Why Apple Watch Series 10Bigger display with up to 30 per cent more screen area. A thinner lighter and more comfortable design. Advanced health and fitness features provide invaluable insights. Safety features connect you to help when you need it. Faster charging gives you 80 per cent battery in about 30 minutes. Advanced Health InsightsTake an ECG anytime. Get notifications if you have high or low heart rate or an irregular heart rhythm. Understand your menstrual cycle and get retrospective ovulation estimates. See overnight health metrics like heart rate respiratory rate and more with the Vitals app.? Track sleep and get notifications if signs of sleep apnoea are detected. Cellular ConnectivityWith a mobile service plan you can send a text make a call and stream music without your iPhone nearby. Use Family Setup to set up Apple Watch for kids who don't yet have their own iPhone so everyone can stay connected active healthy and safe. A Powerful Fitness PartnerMeasure all the ways you move with Activity rings which are customisable to match your lifestyle. Get advanced metrics for a range of workouts with the Workout app. Track the intensity of your workouts with training load. Use depth and water temperature sensors for your aquatic adventures. And Apple Watch comes with three months of Apple Fitness+ free.  Innovative Safety FeaturesFall Detection and Crash Detection can connect you to emergency services in the event of a hard fall or a serious car crash. Emergency SOS lets you call for help with the press of a button. Check In automatically notifies a loved one when you've arrived at a your destination. Incredible DurabilityCrack resistant and IP6X-certified dust resistant. With 50m water resistance. Simply CompatibleIt works seamlessly with your Apple devices and services. Unlock your Mac automatically. Get approximate distance and directions to your iPhone with Precision Finding on supported iPhone models. Pay with Apple Pay. Easily CustomisableWith watch straps in a range of styles materials and colours and fully customisable watch faces you can change your watch to fit your mood or the moment..