VONOTO USBCBL 6-Feet USB & 3.5mm to USB & 3.5mm AUX Flush Mount Dash Extension Cable with Mounting Bracket for car/Boat/Bike/Trailer dash or other surface (USB & 3.5mm to USB & 3.5mm) VONOTO USBCBL 6-Feet USB & 3.5mm to USB & 3.5mm AUX Flush Mount Dash Extension Cable with Mounting Bracket for car/Boat/Bike/Trailer dash or other surface (USB & 3.5mm to USB & 3.5mm) 2M Long Dash Mount USB Aux Extension. In car dashboard flush mount USB and 3.5mm 1/8 AUX extension lead cable 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.