iphone box contents
The iPhone 11 imin box contains only a charging cable, there is no adapter with the headphone.
iPhone 11, iOS 14
Question marked as
Hello,
For charging use the cable and adapter from a previous iPhone or get an adapter similar to this one and use the cable that came with your new phone:
20W USB-C Power Adapter - iPhone Accessories
For headphones, see this:
Good luck.