1,more than 7 ports usb hub with 12 ports 2,convenient to use 3,OEM 4,12 HUB 5,usb hub USB2.0 12 Ports hubusb2.0(up to 480Mpbs ... advantage: 1) Strong research productivity and with good quality 2)Offer OEM Service ,can with your logo and packing require. 3)Good quality ... with good price,can offer CE certificate if ...