The method of Apple mobile phone transmitting all contents to each other

Apple's mobile phone transmits all the contents to each other as follows.

Airdrop delivery function

Use the airdrop delivery function: open Settings-General -Airdrop Delivery on two iPhones, select everyone, open the same Airdrop delivery code on another phone, and the two phones will automatically start transferring files.

QQ face-to-face fast transmission function

Use QQ face-to-face fast transmission function: open QQ application, click contact, select my device, click device, drag the file to be transmitted to the sending window, and wait for a moment.