Features: High Speed 1300Mbps USB WiFi Adapter: This USB Wi-Fi adapter provides a lag-free Wi-Fi connection wherever you are Smooth Lug Free Connection: It provides convenient and fast wireless internet access to our lives. Upgraded speed, enjoying web surfing, gaming and online streaming is very easy without buffering or interruption. USB WiFi adapter supports automatic detection, adjust the speed automatically Dual Band 2.4GHz and 5.8GHz Band: Turn the Wi-Fi speed up to 400Mbps in the 2.4GHz band and up to 867Mbps at 5.8GHz bands. It has strong penetration and can effectively receive wifi signal through the wall. Dual bands provide a flexible connection, allowing your device to access the latest routers and increase the range faster 2 x 5dBi High Gain Antenna: The high gain antenna of the USB WiFi adapter greatly enhances the transmission and reception of WiFi signal. Improve wireless LAN transmission performance and ensure stable and fast wifi connection of each device, ideal USB wifi adapter for desktop PC OS Compatibility: This USB Wi-Fi adapter supports Windows version. 11/10/8.1/8/7/XP and MacOS: X, 10.9-10.14 OS driver installation may be required. For the latest driver in your operating system, please visit Yirui website EASY SETUP AND ONLINE SETUP TECHNICAL SUPPORT: Just plug and play USB Wi-Fi for Windows 11/10 (no drivers required). Great Compatibility with Windows 10/ 8.1 / 8/7/2000 /Vista and Mac 10.9-10.15, Linux kernel (2.6.24-4.7). 1) Plug in 2) Install driver 3) Enjoy high speed wifi Installation and how to use 1. Insert mini CD or download driver from online driver link to install the program. 2. Plug in the wifi adapter to any USB port on your computer. 3. Open the “REALTEK USB Wireless LAN Utility”, click “available networks”, select the network signal and connect. Package includes: 1 x 1300M USB WiFi Adapter 1 x CD Driver