Premium Quality --- This car USB 3.5mm AUX extension cable has 40inch/103cm, long enough for use. It adopts copper electroplated connector with great performance of anti-oxidation, which is and anti-interference. 3.5mm Jack Input --- This car usb port extension cable adopts 3.5mm female to male aux extension cable, which is easy for you to play music in car by your phone / mp3 and more latest consumer electronics. And the aux 3.5mm stereo audio transmission has excellent performance, which provides high sound quality. High Speed USB Cable --- This usb av input socket will provide high speed data transfer and device power. It is easy to use, plug and Play, car 3.5mm USB aux extension cable and 3.5mm aux extension cable combined USB mount. Wide Application --- This 3.5mm jack flush mount with mounting bracket has high practicality, which is designed for car, boat, motorcycle, bike, trailer ect, and it is special fit to your . Easy Installation --- This car aux extension cable is easy to install on the dashboard, just using an existing hole or cut a hole in your dashboard and clip in the socket to flush mount it to your vehicle's dash. And it adopts flush mount installation, which will not take up any space.