Public video store. According to the location of car music sales in Jincheng Town, Jinning District, Kunming, there is a public video store in Jincheng Town, which sells all kinds of audio-visual products and car music players. Car music player is an audio-visual image software, which supports Android2.2 system. The output of the audio jack can be connected to the car radio system to play music stored in the memory card of the mobile phone.