Waterproof Square Car Audio Marine Radio. Waterproof Marine Bluetooth Stereo Motorcycle Audio Boat Radio RV Car MP3 Player RZR Golf Cart Audio Receiver UTV Sound System. USB Features: Support MP3. Built in 450W power amplifier. Power supply: DC 12V. FM radio frequency range. US 87.5-107.9MHz. Practical sensitivity: 12dB (S/N=30dB). Accessibility Button Backlighting: Blue LED F/R/S RCA output: 2V/RMS RCA input impedance: 10 KQ Camera input: cvbs. Meets ASTM B117 salt/fog standard. Installation Dimensions: 140 mm x 195 mm. Input Types: Bluetooth, USB, AUX in. Output Type:RCA Out. Bluetooth:long distance music Streaming. Bluetooth technology lets you stream audio apps like Spotify and Pandora. Change up the sound with the built-in Preset EQ. With an IP66 Waterproof Level, state-of-the-art weatherproofing materials and special UV protection coatings, the player resists corrosion and is protected from the elements. Keep your tunes flowing with the unit. All items will be tested in advance before sending out. Gushi, our company is dedicating to reseach & development of marine audio series products. If you are dissatisfied for any reason, please donot be quick to leave negative/neutral feedback. Our working time:Monday to Friday.