Computer Accessory Sets features: 1 Port USB Network With 3 Port USB Hub To Female RJ45 Ethernet Lan Adapter Card(White) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 1) USB 2.0 to Fast Ethernet Adapter 2) USB2.0 3port Hub is lightweight and portable. 3) A wired network adapter jack 4) No external power supply, user-friendly 5) Plug and Play, Hot Swap Supported 6) Built-in short circuit current overload protection device 7) Support USB 2.0, fully compatible USB1.1, the most high-speed up to 480M 8) Support TCP/IP, Netbeul, IPX/SPX 9) Compatible with Microsoft Windows 98SE/2000/ME/XP/Vista/7, Apple Mac OS, Linux(kernel) 10) A USB interface can be expanded to three USB interface 11) USB interface can also be rotated to avoid some of the volume of National Chiao Tung 12) University plug the USB plug will not be able to plug in other USB connector situation