Length Of The USB And Aux Cables Is 54 And Includes An Under Dash Panel Adapter Mount It In A Cigarette Lighter Hole, Or Under The Dash Or Glove Box This exciting new accessory allows you to extend your Retrosound USB & Auxiliary inputs and mount it in a cigarette lighter hole, or under the dash or glove box using the included adapter. What makes this accessory so innovative is both the USB and 3.5 mm Aux inputs are built into the unit, allowing you to have quick access to plug one or both of your devices into the front panel. The length of the USB and aux cables is 54 and includes an under dash panel adapter.