... Speaker 1,RMS: 30W+10W*2 2,USB/ SD.FM Function 3,Blue VFD and ... screen. 4, Karaoke function VFD Display USB/SD Karaoke 2.1 Multimedia Speaker Description:1,With usb,sd card ... mp3 type music,can add wma type music play .2,Telescopic antenna Fm radio function.3,Blue digit and ... with output. Specificate:1,Output power:30W+10W*2(RMS)2,Speaker driver:woofer5.25inch,satellite3inch*23,frequancy response:40HZ ...