Seaidea SuperSpeed USB 3.0 to RJ45 Gigabit Ethernet Network Adapter 10/100/1000Mbps Lan Adapter for Laptop PC Black USB to Ethernet adapter connects a USB 3.0 (backwards compatible with USB 2.0) equipped computer or tablet to a router, modem, or network switch to bring Gigabit Ethernet to your network connection 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 WIRELESS ALTERNATIVE for connecting to the Internet in Wi-Fi dead zones, streaming large video files, or downloading a software upgrade through a wired home or office LAN; USB 3.o to Ethernet adapter provides faster data transfers and better security than most wireless connections; Ideal solution for replacing a failed network card or upgrading the bandwidth of an older computer 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, 100BASE-TX, and 1000BASE-T networks Wired USB Ethernet connection is faster and 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 with latest system updates. Does not support Windows RT or Android