... service usb 4 port mini hub driver for retail factory price for 4 ports usb hub 2.0, ... .0 interface 7.easy access speakers, the headset 8,CE & ROHS avialable Item No:Description: usb hubMaterial ... blisterIncasement:100pcsCarton Size:57*34.5*60cmNW/GW:8.5/7.5Kgsproduct size:5*5*6cm ... 7)Supports self-powered and bus-powered mode 8)Delicated designed,exquisite appearance,especially agree office using,also ...