BITOO 2 Meter 6.6 Feet USB Cable & 3.5mm AUX Extension Flush Mount 1/8 AUX For Car, Boat, Motorcycle 2M USB Car Cable You can use this 6.6Feet 2M USB AUX mount cable to DIY your car, boat and other device you want. This USB mount is a USB extension cable and 3.5mm Aux extension cable combine. So, when you install this USB mount to your device, you should connect to the right connector of your device. It is designed for car, boat, motorcycle and trailer. It compatible with any stereo that is with 3.5mm USB input. You can use this USB mount to replace the car Cigarette lighter or drill a 28mm - 30mm hole to install this cable This USB mount cable is come with the nuts and covers. And it is water proof.