The 220V socket with grounding is equipped with two USB ports, such a device is a necessity in every home, it can be installed instead of a regular socket. Output voltage 5V, 2.1 A is designed for charging various gadgets. It is very convenient to use, you do not need to look for an adapter in the room every time, it is always in its place. In addition, it is very compact, nothing extra sticks out of the outlet, just plug the cable into the port and charge