Key board&USB HUB(NS-U306) Model:NS-U306 1.Key board and 3 usb hub ports ,usb2.0 2.Support window95,OSR2,98SE,ME2000 ,XP,LINUX2.4MAXOS8, 5VASTA 3.Support both full-speed480MBPS, middle-speed 12MBPS and low-speed 1.5MBPS 4:Power consumption:USB 5V/500MA UNIT SIZE (CM)32*21.5*3.1CMQTY./CARTON (PCS)20PCS/CTNCARTON SIZE (CM)42*35.5*49CMCBM/CTN(CBM)0.130CBMG.W./N.W(KGS)13/12.3KGS