Quantity:Â 1 pc Power Requirements DC:Â 12-14.4V FM Frequency Range:Â 87.5-108.0MHZ Max.Power Output:Â 50W x 4CH Load Impedance:Â 4 OHMFunction:1.Auto Store/Preset Scan 2.18FM Station Memory 3.PLL Synthesizer Tuner 4.Volume Control 5.Remote Control 6.A/V Input&A/V Ouput 7.Anti-Shock Mechanism 8.On screen Display Title and Time,Chapter,Subtitle,Angle 9.USB Connector,USB have music into USB conect can to play 10.SD Card Slot,SD card have music into SD conect can to play NOTE:Â This product does not support CD, VCD, DVD disc playback. You can plug in a USB stick or SD card loaded with MP3 or WMA files to listen to your favorite digital music Or, use the conveniently located 3.5mm aux-in port to plug in virtually any audio playing device.Package Includes:1 x MP3/WMA/USB/SD/MMC/AUX player 1 x Remote control 1 x Wire