This is the USB socket, which has two meanings. Pure USB socket is weak current. With a normal socket is strong electricity
This is a short extension adapter. There is also a commonly used long line is also a male and a female can easily put the USB port behind the desktop computer to the front to use.
The USB socket is a safe and power-saving universal socket with a USB interface, including a socket body, the socket body is provided with a USB socket, the USB socket is provided with a linkage switch and a USB socket; A charger module is arranged in the socket body, and the input end of the charger module is in parallel with the output end of the linkage switch, the positive and negative terminals of the output end are connected with the positive and negative terminals of the power supply end of the USB jack, and the input end of the linkage switch is connected with the power supply.
The utility model attaches a plurality of USB sockets to the general switch, and the USB socket is connected to the mains only when electricity is needed, so that the low-voltage electrical appliance can be charged by connecting the low-voltage electrical appliance with the USB socket on the general switch only by using a USB connector, and the device will not be connected to the power supply for a long time, extending the service life of the device. The advantages of saving power and eliminating hidden dangers.