Further reports have appeared on the network that confirm the lack of headphones and power supply in the iPhone 12/12 Pro box.
The graphic below shows the appearance of the insert, which will be in the iPhone 12/12 Pro box.
The insert has a very thin profile, with a circular area designed to store the USB-C to Lightning cable and a square part that should contain traditional Apple stickers and other documents. The iPhone 12/12 Pro would be placed directly above. It is clear that there is no place for the power supply and headphones.
By eliminating two accessories, Apple would reduce packaging size and save money on every device sold.