VONOTO 2M 6Ft USB & 3.5mm to USB & 3.5mm AUX Flush Mount Dash Extension Cable with Dash Mounting Bracket for Car Motorcycle Boat Bike Trailer dash or other surface&shy; VONOTO 1M USB & 3.5mm AUX extension Flush Mount 2 Meter Audio cable 1M 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.