This is a very practical car stereo，Play music from four different sources. The FM radio uses MPX PLL tuning， can seek/scan， and stores up to 18 FM presets. You can plug in a USB stick or SD card to listen to your favorite digital music — plus， the track info is displayed on the LCD screen. Or， use the conveniently located 3.5mm (1/8'') aux-in port to plug in virtually any audio playing device， including iPod， iPhone，ipad，and all 3.5mm audio devices phones， MP3， MP4， etc.Features:1.100% brand new and high quality2.Large-screen LCD function， clear and bright， dynamic.3.PLL Synthesizer Tuner4.Auto Store/Preset Scan5.18FM Station Memory6.On screen Display Title and Time，Chapter，Subtitle&Angle7.Volume Control8.Anti-Shock Mechanism9.Mute Control10.A/V Input&A/V Ouput11.Remote Control12.USB Connector，USB have music into USB conect can to play13. Can play music from SD Card or USB Disk， up to 32GB(SD Card and USB Disk are not included)14.Repeat/Program/Random/lntro play15. Digital Clock Display16. 4 Channels RCA Output17. 50Wx4 High Power Output18. Full function Remote ControlSpecifications:1.Load Impedance:4 OHM2.Max.Power Output:50W x 4CH3.Power Requirements: DC 12V4.FM Frequency Range: 87.5-108.0MHZ5.Panel Size:190mm x115mm x60mmPackage included：1 X Car Stereo In Dash(SD Card and USB Disk are not included)1 X Remote control1 X English User manual1 X Connect Cable