Linksys USB Ethernet Adapter One Type-A male USB connector compatible with USB 1.0, 1.1 and 2.0 ports One RJ-45 network port connects to any 10/100 Mbps network Compact Design Perfect for use with laptops like MacBook Air Plug-and-Play compatible with Windows 98SE, ME, 2000, XP, and Mac OSX 10.5. Does NOT work with Windows Vista, Windows 7 or Windows 8. Additional drivers included on CD for use with DVR