The Soundstream Premium Marine-Grade Digital Media Player with Bluetooth and 2-Zone Audio s a fully marinized multimedia source unit. The airtight faceplate shields water intrusion to a high-resolution 3.2 in. color LCD display. Other key features include MP3 audio playback from the rear-mounted USB connection, digital AM/FM and weather band radio tuner and 2-zone audio playback control. All circuit boards and components are epoxy-coated to prevent water and salt air corrosion. This is ideal for any watercraft or off-road vehicle!