18 MONTH WARRANTY - Exclusive Unconditional 18-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely.COMPACT DESIGN - The compact-designed portable USB to Ethernet adapter connects your computer or tablet to a router,modem or network switch for network connection. It adds a standard RJ45 port to your Ultrabook, notebook or Macbook Air for file transferring, video conferencing, gaming, and HD video streaming.SUPERIOR STABILITY - Built-in advanced IC chip works as the bridge between RJ45 Ethernet cable and your USB 3.0 devices. The driver-free installation with native driver support in Chrome, Mac, and Windows OS; The USB Ethernet adapter dongle supports important performance features including Wake-on-Lan (WoL), Full-Duplex (FDX) and Half-Duplex (HDX) Ethernet, Crossover Detection, Backpressure Routing, Auto-Correction (Auto MDIX).INCREDIBLE PERFORMANCE - Supports full 10/100/1000Mbps gigabit ethernet performance over USB 3.0's 5Gbps bus, faster and more reliable than most wireless connections. Link and Activity LEDs. USB powered, no external power required. Backward compatible with USB 2.0/1.1. To reach 1Gbps, make sure to use CAT6 & up Ethernet cables.BROAD COMPATIBILITY - The USB-Ethernet adapter is compatible with Windows 11/10/8.1/8/7/Vista/XP, Mac OSX 10.6/10.7/10.8/10.9/10.10/10.11/10.12, Linux kernel 3.x/2.6, and Chrome OS.Compatible with IEEE 802.3, IEEE 802.3u and IEEE 802.3ab. Supports IEEE 802.3az (Energy Efficient Ethernet).Do Not Support Windows RT and Android. (NOT compatible with Nintendo Switch.)