Cable Matters USB to Ethernet Adapter (USB 2.0 to Ethernet / USB to RJ45) Supporting 10 / 100 Mbps Ethernet Network in Black Portable USB to Ethernet adapter connects a USB 2.0 equipped computer or tablet to a router, modem, or network switch to bring Fast Ethernet to your network connection; Driver-free for most computers; Driver can be downloaded from Cable Matters website Leveraging the high bandwidth of Hi-Speed USB 2.0 interface, this USB 2.0 to Ethernet adapter guarantees a reliable network connection with 100 Mbps Ethernet This lightweight USB to network adapter is a perfect accessory for adding a standard RJ45 port to your Ultrabook, notebook, or Macbook Air for file transferring, video conferencing, gaming, and HD video streaming Supported features include Wake-on-Lan (WoL), Full-Duplex (FDX) and Half-Duplex (HDX) Ethernet, Crossover Detection, Backpressure Routing, Auto-Correction (Auto MDIX). Supports IPv4/IPv6 protocols and 10BASE-T and 100BASE-TX networks Wired USB Ethernet connection is more reliable than wireless network. This Ethernet to USB adapter is compatible with Windows 8.1/8/7/Vista/XP, Mac OSX 10.6/10.7/10.8/10.9/10.10, and Chrome OS. Does not support Windows RT and Android