Take an ECG with the ECG app on Apple Watch - Apple Support
Amazon.com: Upgraded USB C Watch Charger, 3-in-1 Magnetic Fast Charging Cable for iPhone and iWatch 6ft and C Wall Outlet for Apple Watch Series SE/8/7/6/5/4/3/2/1 and iPhone 14/13/Airpods-Black-Black : Cell Phones &
Charge Apple Watch - Apple Support
Outlet - Apple Watch Series 7 Cellular 41 mm – Aluminium i (PRODUCT)RED med (PRODUCT)RED Sport Band | Pippin
Apple Watch Series 6 - 40/44mm GPS/Cellular - All Colours - VERY GOOD CONDITION | eBay