... 20KHz 4.Speaker unit:4"+3"*2 2.1 speaker, computer speaker, multimedia speaker, iphone speaker, USB speaker, MP3 ... 205mm 95*78*170mm (mm) Function:USB/SD card reader, Remote Control, FM function. Karaoker Function,LED screen, customer can optionPacking ... :Colorbox:L296*W181*H332mm mm 3.2kg 6 Sets in one Carton Certification: multimedia speaker with ...