V 1 1. 1.3 old version. By querying official website, the old version of Cool Dog Music V11.3 was officially released by Guangzhou Cool Dog Computer Technology Co., Ltd. This version has the latest version of Cool Dog Music and the interface restrictions of the old version, so it can use all the functions of the old version of Cool Dog Music, so it is the best to use. Cool Dog Music Mobile Edition is a completely free mobile music player, which has many functions such as centralized playback, music special effects, online lyrics download and so on.