USB socket is a safe and energy-saving, universal socket with USB interface, is a weak electronic products, including the main body of the socket, the socket body with a USB female, in the USB master with a linkage switch And a USB jack; a charger module is arranged in the socket body, the input end of the charger module is connected in parallel with the output end of the linkage switch, and the positive and negative terminals of the output terminal are corresponding to the positive and negative terminals of the power supply terminal of the USB socket And the input terminal of the linkage switch is connected with the power source.