How does qq know that the other party has read your information?

Qq temporarily does not support checking whether the other party has read your message.

Whether the read status information belongs to personal privacy, so it will not be transmitted. To ensure that the other party receives the message, you can attach "Please reply after receiving it", so that you can know in time whether the other party has read your message.

Tencent qq supports online chat, video call, point-to-point breakpoint file transfer, file sharing, network hard disk, custom panel, qq mailbox and other functions, and can connect various communication terminals.