A service of Tencent QQ. According to the query of QQ official website, QQ Red Diamond users can enjoy the free privileges of QQ Show Mall, including free use of QQ Show, free replacement of QQ avatar, free setting of automatic avatar replacement, free gift of friends QQ Show, free use of QQ space background music, etc. In addition, QQ Red Diamond users can also enjoy the daily tasks of QQ Show, daily growth value acceleration and other privileges.