The USB2.0 trapezoidal distortion plugin connects four USB 2.0 cables to the USB A-type male connector; USB trapezoidal distortion is suitable for standard openings on panels or wallboards, used for trapezoidal distortion sockets. Connect the device to a USB port (such as a PC, Mac, desktop, laptop, media player, USB external hard drive, AV receiver, or other device with a USB port), with the cable hidden behind the wall through a wall panel.