... screen(TV+VGA) 2, up songs thru SD/USB cable to PC 3, 2TB SATA 3.5inch hard drive 4, ... or dual screen(TV+VGA);2, support up to 2TB SATA 3.5inch standard hard dirve;3, ... , easilly add up new songs thru SD or USB cable to PC;8, full function of karaoke:key control ... etc.compatible formatDAT, VOB, AVI, MPG(MP3, CDG)USB/SD/MMC slotyesHard disk1000GB or 2000GBpowerAC90-250VTV systemNTSC/PALTouch screen19inch ...