A:Answer Previous answer is wrong about the charging cable that is included. The cable is USB-C on one end and Lightning on the other. The USB-C end goes into a charging brick that has a USB-C port, and the bottom of the phone has a Lightning port for the other end of the cable. These are becoming more common but the vast majority of charging blocks you probably have lying around the house have a USB-A port. The previous answer claims the phone has a USB-C port. It does not. It has a lightning port. Apple is starting to use USB-C ports in some of its other devices like iPad, but for the time being, they are sticking with lightning port on iPhones.
If you have an old USB-A to lightning cable, that will of course work with this phone, but note that the "fast charging" of iPhones uses "Power Delivery" technology (as opposed to "Quick Charge" tech on many Android phones) and AFAIK, only USB-C charging bricks (with "Power Delivery") will fast-charge iPhones.
The previous answer is correct that the phone doesn't include a charging brick or headphones. It only includes a USB-C to Lightning charging cable.