... power,embedded amplifier,soft voice 2.support USB/SD,MP3,use usb flash disk 3.1 year warranty 6 inch ... support DVD,CD,Computer and other music player3)support USB,SD and MP3 play, if u like,fm ... player with subwoofer.Easily play mp3 music by inserting usb or sd card.2.Equipped with a 12v ... led,makes you cool enough. Functions:1.MP3-MSD2.USB FM radio (optional)Technology parameter1.The power amplifier ...