... :4"+3"*2 2.1 speaker, computer speaker, multimedia speaker, iphone speaker, USB speaker, MP3 speaker, mini ... Dimension:D238×W140×H203mmL123xW885xD76(mm)Function:USB/SD card reader, Remote Control, FM function. Karaoker Function,LED screen, customer can ... optionPacking :Colorbox: L296*W181*H332mm2.8kg 6 sets in one Carton Certification: speaker system