Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Feature:Product name :gigabit ethernet adapterOutput interface: USB 3.0 AM ，RJ45Material: plasticSize:W68MM D25MM H19MM+line length 20.5MMNo need driver:supportHot plug:supportTransmission speed: 10/100/1000MSupport system:windows 98/windows 2000/XP/Vista/Win7/Win8/Win8.1 MAC LINUXPackage:1PC X 1000Mbps USB3.0 RJ45 Gigabit Ethernet Adapter for Windows8.1 Mac/Linux