The VDA adapter cable allows you to install your hands -free car kit - quickly and simply if your car is equipped with a VDA interface. Produced in accordance with the recommendations laid down by the Association of German Car Manufactures, this cable connects the electronic box of the hands-free car kit to the vehicle's electrical system. By connecting one plug, a connection is made for power (plus, minus and ACC), radiomute, loudspeaker and microphone.