... computer, U disk and SD card to enjoy the music.2.Several power supply manners including battery, computer USB ... can be charged at the same time when play music using the USB power.4.ANT: When use ... box with new concept integral stereo portable mobile music,connecting your MP3,MP4,CD,DVD,iPod,iPhone, ... or in fire,otherwise it may explode.Mini Speaker x1USB Cable Length x 1Audio Cable Length x ...