Multimedia speaker 1, RMS:30W+10W*2 2, USB/SD, FM,Vedio 3, Digital tube display screen 4, Key button with remote control 2.1 Ch ... put it at home any where.Specification:1,Output power:30W+10W*2(RMS)2,Speaker driver:woofer5.25inch,satellite3inch*23,Frequancy response ... 1,Color box:375*238*449MM2,Carton:728*385*462MM/3SETS3,Quantity:651sets/20gp,1116sets/40ft,1581sets/40HQ 2.1 Ch USB multimedia Speaker ...