After entering the era of mobile Internet, people rely more and more on smart phones, and charging treasure has almost become the standard for modern mobile phone families to go out, but at other times after going out, charging treasure is almost always on standby at home. This scheme takes increasing the use value of charging treasure as the design starting point, designs charging treasure and base as a supporting product, and the base part is designed as an inclined plane, Combined with Bluetooth audio function, when the mobile charger is inserted into the base for charging, it becomes a mobile phone holder with Bluetooth audio function. When you go out, the mobile charger used alone is the "best partner" of the mobile phone's endurance. When you return home, the "best partner" inserted into the base will continue to stand guard: when the mobile phone has no electricity, you can charge the mobile phone. When you need to watch a movie, you can use it as a mobile phone holder. When. The charging treasure itself has a charging line and also has a wireless charging function, which can charge two mobile phones at the same time. A Type-C interface is designed at the bottom, and a standard data cable can be used to charge the charging treasure without a base.