Waterproof — IPX6 Water Resistant, Well Sealed to avoid Fogging/Moisture inside the screen Bluetooth – Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly Stereo receiver unit: The head unit receiver is pack with universal size standard at 40W *4 that supports AM /FM/ USB/ AUX/ RCA MP3 compatibility. Media playback – Bluetooth, play music via the USB port or tune into the AM / FM radio stations for up to date music/news/sports and more. The GR306 does not have a CD or DVD mechanism. USB Charging available Ideal for: Car,motorcycles,yacht,fishing boats, cuddy cabins, ski boats , the unit is also perfect for spa pools, quad bikes, golf carts,UTV,ATV and RVBoat Water Resistant Media Receiver with Bluetooth, USB and AM/FM Radio Marine RadioThis smallest marine stereo ever isportable-media- readyand features AM/FM radio, USB, and aux-in for connecting portable media devices. IPX6 Water Resistant, Well Sealed to avoid Fogging/Mois