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. Excellent Standby for Macbook without ethernet socket when wireless fails. Fast Network Connection 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.This USB 2.0 to Ethernet adapter offer a Full 10/100 Mbps Fast Ethernet performance over USB 2.0’s up to 480 Mbps, providing fast and stable Ethernet for gaming on Nintendo switch, Will Wii U. Please kindly be noted that the adapter is NOT compatible with Wii Mini. Rj45 usb Specification 1. Support IEEE 802.3, 802.3u(10Base-T, 100Base-T) compatible; 2. Compliant with Nintendo Switch, Windows 10/8/7/Vista/XP, Mac OS X 10.4 and above, Linux kernel 3.x/2.6.x; 3. Support both Full-duplex with flow control and Half-duplex with backpressure operation; Support Full and Half duplex operating modes; 4. ASIX AX88772 chipset; LED indicators for Link and Activity; Notes 1. Drivers built in, no driver install required — on Apple Mac OS X 10.5 to 10.10, Windows 8/8.1, Surface Pro 1/2, ChromeBook. 2. Linux kernel 3.x/2.6.x, Windows 7/XP/Vista 32/64-bit require driver install via download or included disk. 3. Reboot your PC after driver installation, then connect this USB ethernet adapter to your computer and ethernet. 4. Not supported on ARM-based Windows, including Surface RT and Surface 2.