For composite video plus stereo audio connections. Pure copper conductors.
4 Pole 3.5mm Jack to three phono sockets. Two Audio inter connectors (left and right) and one video (yellow composite). Can be used to connect videos dvd s and other AV devices to TV s projectors etc. The wiring for the 4 pole are: TIP- WHITE MIDDLE 1- YELLOW MIDDLE 2- GROUND BASE- RED