Features: 1. Waterproof radio player Marine MP32. FM, AM and BT3. USB interface, Rca output, 4 x 50w4. 50w Bluetooth, radio, USB interface playback function 5. Waterproof, auxiliary input and output function description: 1. Suitable models: speedboats, off-road vehicles and other accessories 2. Voltage range: DC9V-15V3. Dimensions: 11.3 x 9.95 x 8.81 cm4. Material: ABS5. Color: black and silver. Packaging contents: 1 MP3 player 1 x English manual 1 wire 1 x data cable 1 screw Installation tool only contains the above packaging content and does not include other products. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.