USB USB Charger with multi-function stand dock

摘要

The present invention relates to a technology for dramatically expanding the functionality and usability of a plug-and-detachable USB charger that can be used in various types of plugs in the world. The present invention relates to a technique for expanding the limited usability that can be directly connected to an outlet, It is intended to be installed and usable on the wall. The USB charger according to the present invention is not only capable of being installed and used in most existing places but also providing additional functions for charging and using a smart phone or a tablet.