VONOTO 2M 6ft USB & 3.5mm to 2 RCA & USB extension Flush Mount AUX Extension Cable , 1/8 AUX Car Bike Boat Motercycle (USB RCA AUX Car Bike Boat Motercycle Cable) VONOTO 2M USB & 3.5mm AUX 2 RCA extension Flush Mount 2 Meter Cable , 1/8 AUX Car Bike Boat Motercycle Convenience Extention Works on vehicles indash Radio with 2RCA Audio Video /USB to 3.5mm AUX or USB Input mount. Designed for in car but can be used for any application front or rear use.Like boat/RV home Portable units Cranes trucks. 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.