-- USB 3.0 male A to RJ45 female ethernet adapter is more stable than Wireless Wifi Adapters. Upgrade your Ultrabook, MacBook Air and notebook to wired Gigabit speeds via USB A for fast file transfer, video conferencing, gaming and HD video streaming.
-- USB 3.0 Super Speed: 10/100/1000 Mbps ethernet achieves full performance at super speed USB 3.0's 5Gbps. And it is backward compatible with both USB 2.0 and USB 1.1. CAT6 and up Ethernet Cable is a must to ensure high performance.
-- DRIVER-FREE INSTALLATION : Replace a broken RJ45 LAN port via the USB port. Plug and Play, No driver or software needed.
-- Wide Compatibility : NOT compatible with Nintendo Switch. Supports Windows 10/8/8.1/7/Vista/XP, Mac OS X 10.5 or later, Linux, ChromeOS. Compatible with IEEE 802.3, IEEE 802.3u and IEEE 802.3ab. Supports IEEE 802.3az (Energy Efficient Ethernet).
-- Protect, Replace or Add An Ethernet Port: USB 3.0 to Ethernet Adapter is a good accessory to protect or replace the RJ45 Lan port of your expensive computer. Simply adding a standard RJ45 port to your Ultrabook, notebook or Macbook Air for file transferring, video conferencing, gaming, and HD video streaming.