“Crest the waves while enjoying your music with the BOSS Audio MGR350B Weatherproof Gauge Mech-Less Digital Media Player. Turn on the Weather Band/AM/FM radio, hook up your smartphone or MP3 player through the Auxiliary input or plug into the USB port to charge or play USB-connected devices. Bluetooth technology lets you stream audio apps like Spotify and Pandora. Change up the sound with the built-in Subwoofer Control and Preset EQ. With an IPX Rating of 6, state-of-the-art weatherproofing materials and special UV protection coatings, the MGR350B resists corrosion and is protected from the elements. Keep your tunes flowing with the Boss Audio MGR350B.