RAYSUN 2 Meter USB and 3.5mm AUX Extension Flush Mount USB Dash Mount for Car Boat Motorcycle 1, This handy mountable 3.5mm ( 1/8 ) and USB extension can be used to either provide a flush mounted on your dash or other surface; 2, Designed for in car/Boat/Bike/Trailer use and is compatible with any car stereo Boat or Bike equipped with a 3.5mm/USB Aux Input; 3, Works with vehicles with 3.5mm AUX or USB Input for extension/mount; 4, Use an existing hole or cut a hole in your dashboard and clip in the socket to flush mount it to your vehicle's dash; 5, It features a waterproof panel/dash mount with rubber cover and 1 meter extension cable;