1、Multifunctional: Support for various audio formats including MP3, MP4, WMA, and FLAC playback, Bluetooth audio streaming, AUX input, RCA output, 12 AM/18 FM tuner with presets, EU, US frequency selection, track search, and EQ settings. 2、USB and Radio Playback: Users can play music through the USB port or tune in to AM, /FM radio stations for the latest music, news, sports, and more, offering flexibility in entertainment options. 3、High Power Amplification: With a built in 4X45w peak power amplifier, this marine MP3 player delivers robust audio output for a powerful and immersive sound experience on board. 4、IPX6 Waterproof Rating: Designed with an IPX6 waterproof rating, this MP3 player is resistant to splashes, dust, salt fog, and UV rays, ensuring durability and longevity in marine environments. 5、Wide Applications: Suitable for use on yachts, speedboats, motor boats, ships, RVs, and other marine vessels, as well as in bathrooms or other wet areas, adaptable to various marine and recreational settings. Item Type: Boat MP3 Player Protection Level: IPX6 waterproof, salt spray resistant, UV resistant Installation Opening Size: Approx. 89.5mm/3.52in Installation Depth: Approx. 72mm/2.83in Input Type: Bluetooth, USB, AUX Playback Format: MP3, MP4, WMA, FLAC Backlight Display: Yes Time Display: 24 hour system Power Output: 45Wx4 Impedance: 4Ω Frequency Range: 20Hz-20000kHz Voltage: DC 12V Certification: Meets ASTM B117 salt/fog standard, Meets ASTM D4329 Functions: Bluetooth Audio Wireless Streaming, AUX input, RCA output, 12 AM/18 FM tuner with Preset, EU/US frequency select, Track Search, EQ setting 1 x Media Player 1 x Mounting Bracket 1 x Power Cord 2 x Mounting Nut 2 x Mounting Screw 2 x Washer 1 x Fuse 1 x Manual