... 3.USB2.0 /1.1 4.OEM logo,color 3 port usb mini hub for wholesale factory price for 4 ports ... interface 7.easy access speakers, the headset 8,CE & ROHS avialable Item No:Description: usb hubMaterial: ABS/AcrylicPackaging:Color box with blisterIncasement ... , DV, MP3... 7)Supports self-powered and bus-powered mode 8)Delicated designed,exquisite appearance,especially agree office using,also can ...