-100% and high quality -USB have music into USB conect can to play -SD card have music into SD conect can to play -Press button to select SD>USB>FM>AUXIN -No AM function -Have the MUTE mode -Have clock function -Multi-color LCD display -Wireless remote control -Setting P-EQ: EQ to flat>class>POP>ROCK>Disp off -With this item, you can listen to the music in your iPhone & iPod during the driving. -This item can not work for CD player.