... usb and disc Features:1.This portable Public Address System can be used either indoors or outdoors at any ... carring.3.With remote control, easy to operate the system.4. With DVD player,support DVD,VCD,CD,MP3 ... and play music.14.MIC priority control,advanced digital electrical automation is applied.Turning on before singing, it would ... cablethe inside picturethe canton fair picture concert speaker system