... control 3,Blue VFD display screen 2.1 multimedia Speaker Description:1,With usb,sd card read function ... MIC function with two port.4,Blue VFD display screen5,Durable wooden surface and plastic pannel.6 ... ,Compact with PC, VCD, DVD, IPOD, MP3/4, directly ... ,Output power:30W+10W*2(RMS)2,Speaker driver:woofer5.25inch,satellite3inch*23,Frequancy response:220HZ ...