BOSS Audio Systems MGR350B Marine Gauge Stereo System - Digital Media MP3 Player, Bluetooth Audio Head Unit, No CD Player, USB, AM/FM Radio Receiver, Weatherproof Description BOSS Audio Systems MGR350B Marine Boat Stereo Gauge Receiver – Bluetooth, No CD DVD Player, Built-in 4 Channel Amplifier, Weatherproof, USB, USB Charging Features: Bluetooth - Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly Weatherproof - The MGR350B has been outfitted with the latest weatherproofing techniques such as front panel UV coating, PC board with conformal coating. It has an IPX 6 rating for protection against splashing water 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 MGR350B does not have a CD or DVD mechanism Inputs - The USB port gives you the option to have a vast library of audio files at your fingertips. The auxiliary input is compatible with audio output from smartphones and MP3 players. USB charging Outputs - Use the front & rear or subwoofer pre-amp outputs to hook up your speakers or subwoofer Specs - Dimensions: 3.5 x 3.5 x 3.8, Weight: 1.1 lbs., 60 watts x 4 channels Product Details: Brand: BOSS Audio Systems Connectivity Technology: Bluetooth, USB Controller Type: iOS, Android Special Feature: Bluetooth, Weatherproof, Marine IPX 6 Rated, NOAA Weather Band Tuner, No CD/DVD Compatible Devices: Smartphone Connector Type: USB 1.0 Audio Encoding: Stereo Audio Output Mode: Stereo Color: Black Product Dimensions: 3.5"D x 3.8"W x 3.5"H Product Dimensions: 3.8 x 3.5 x 3.5 inches Item Weight: 1.1 pounds Item model number: MGR350B Batteries: 1 AAA batteries required. Is Discontinued By Manufacturer: No Date First Available: April 21, 2015 Manufacturer: BOSS Audio Systems Country of Origin: China