About this item Connector: USB 2.0 male and 3RCA to USB & 3.5mm Female, Bracket included for easy mounting on your car's dashboard. 2-meter long cable with water-proof mount rubber cover. Compatible with any stereo that has USB capability and/or auxiliary audio inputs. The 1/8 audio jack allows for input from any MP3 player or external audio device. Use an existing hole or cut approximately a 25mm hole in your dashboard, clip the adapter socket through the bracket to secure it. This allows for a flush mount of the cable to your vehicle, boat, or motorcycle dashboard. Connector 1: standard USB 2.0 & 3RCA Male; Connector 2: standard USB 2.0 & DC 3.5 mm Female. This product is designed for in-car use only, allowing you to extend your radios RCA audio-in and USB ports to your vehicles dashboard, center console, or other locations. Use this adapter set to convert the RCA audio-in port to a 3.5mm audio socket. The USB A-type port provides high-speed data transfer and device charging power. D