If you want to buy an unopened album of an old album, you can go to K4 to continue your entertainment. K4 is a web version, and you can access the web page through links. Keep entertainment is an application software that can be downloaded directly.

Next time you want to buy a new specialty, you can pay attention to yourself or the big one in Weibo, and you will send a link then. Following it will be cheaper than websites and applications, because most stations will lower prices.