H.Y. TECH USB 2.0 Ethernet Adapter Wired USB To Ethernet RJ45 Adapter (Integrated Fast Ethernet Speed) for Macbook, Chromebook, Windows 8.1 and Earlier, Surface Pro, Linux, and Specific Android Tablets (Driver CD Included) Works with any Macbook Air or Macbook Pro with Mac OS X Lion 10.7 or newer Full 10/100 Mbps Fast Ethernet performance over USB 2.0 480 Mbps bus--faster than most wireless connections Add a fast wired network interface. Supports Windows, Mac, Linux, ChromeOS. ASIX AX88772 chipset. RJ-45 network port for any 10/100 Mbps network. Link and Activity LEDs. USB powered. Compliant to USB Interface Version 1.0/1 . 1/2.0, Supports 10mbps and 100mbps N-way auto Negotiation Operation, Supports all USB Basic Commands