NVX Universal Bluetooth Audio Receiver [X-Series] Controller Knob for Cars, Trucks, Motorcycles, ATVs, Boats [XUBT3] A simple and easy to use bluetooth receiver that can be used for cars, trucks, motorcycles, boats and ATVs One knob control to play/pause tracks and adjust volume levels to your preference Compatible with iPhone, Android and other bluetooth ready devices for listening while on-the-go Flush in dash or under dash mounting options for easy installation Easy Add-on to any radio or device with its 3.5mm aux input