Keep your loved ones who don't have an iPhone within reach with this Apple Watch that is built with emergency SOS, health sensing and crash/fall detection. 41mm case Apple Watch Series 8 require an iPhone 8 or later (not included) with latest iOS Crash and Fall Detection can automatically connect you with emergency services in the event of a severe car crash or a hard fall Emergency SOS provides urgent assistance with the press of a button Temperature sensing is a breakthrough feature that provides deep insights into womens health and blood oxygen Track REM, Core, or Deep sleep with Sleep Stages Aluminum/plastic/glass Imported