Waterproof Marine Stereo Bluetooth Radio Audio Boat Car MP3 Player Auto Sound System FM AM Receiver For ATV RV Yacht Motorcycle This Gauge-Style AM/FM/USB Multimedia Receiver easily slides into current gauge openings or cup holders, giving boaters everything they want at a . This smallest marine stereo ever is portable-media- ready and features AM/FM radio, USB, and aux-in for connecting portable media devices. Operates at 4 x 45 . Solid aluminum chassis and IP-66 salt fog rating for durability. Ideal for smaller fishing boats, cuddy cabins, and PWCs, the multimedia receiver is also perfect for ATVs, golf carts, RVs, and more. Uses USB, AM/FM Bluetooth Audio Sources USB Features: Support MP3 Fits in Gauge Opening Power supply: DC 12V FM:87.5MHZ=108MHZ AM:530MHZ-1710KHZ Radio Response Bandwidth:US AND EUR Waterproof Level: IP66 Meets ASTM B117 salt/fog standard Meets ASTM D4329 Support MP3 Dimensions Mounting Hole: 78.5mm Dimension Mounting Depth: 41mm Color: As Shown Material: ABS Package Contents: 1 * control audio player set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.