TOOGOO(R) Dual USB Charger/Audio Port Interface for Toyota/Scion Cars Blank Switch Hole Directly install to your Toyota/Lexus/Scion switch hole Approximate dimension of the switch: 22.5 mm x 33 mm x 55.85mm Fits most Toyota/Lexus/Scion switch hole. Charger function work for all vehicles, and can apply to USB cable that charges your smart phone, laptop, camera or any electronic devices that allow USB charge. Audio function work for cars that already has USB audio interface, if you do not have USB interface for your audio, the audio USB port will not work.