Tencent King Card launched by Tencent and China Unicom supports users to use hundreds of Tencent applications without traffic, including high-frequency software such as WeChat, QQ, Tencent video, QQ music and games. In order to facilitate users to manage the King Card, Tencent Mobile Manager version 7.5 launched the "King Card Zone" function to help users check the daily traffic usage and related permissions at any time.