... years warranty 2.certification:CE,FCC,ROHS 3.Competitive price and good quality main features and specifications 1.4 ports usb hub ,unipue design ... disk, USB mouse, USB keyboard, USB printer, digital camera, mobile storages, scanner and 8. Size: 89mm x 51mm x 8mm 9. Front ... , TNT Other : By sea , by air OEM usb 4ports hub,high quality with competitive price