600 Watt Bluetooth Motorcycle Atv, Snowmobile Marine Audio System w/ 3.5 Speakers + Wired / Wireless Remote+antenna Mixed Speakers Chrome Full Bluetooth functionality ( no need to connect your phone or player with messy wires) External jack with marine grade antenna that allows crystal clear FM reception Stronger FM Tuner Wired and wireless full function remote Bluetooh Built in external antenna jack with marine grade antenna USB& SD Slot input, 3.5mm AUX input Big Size LCD Screen to show song FM frequency, USB, SD input ect. FM radio full function WIRED REMOTE / WIRELESS control Power and MUTE switches 2 Stereo Channels ==Specifications==: Max Power: 300W X2ch 600W RMS Power @4ohm: 75W X2ch S/N:&gt;50dB Channel Separation::&gt;50dB Frequency Response:20HZ~20KHZ Sensitivity: 150mV Fuse Rating:10A