Features: 1. Ultimate Wi-Fi speed: You can get 867Mbps wireless speed on 5GHz WiFi band, or 300Mbps/400Mbps speed on 2.4GHz WiFi band, by using this dual-band USB Wi-Fi, it is very suitable for online 4k video Streaming, games, high-quality music and Facebook adapter. 2. Built-in antenna: The built-in dual-band antenna can provide better performance and stability, stronger signal penetration, and wider wireless coverage. 3. Super Speed ??USB 3.0 port: 10 times faster than USB 2.0. Transfer large files in a few seconds. 4. Flexible deployment: plug into any USB port of the computer, and use the best wifi signal to put the USB wireless network adapter on site; you can also plug the wifi adapter directly into the USB port of your PC. 5. Supported standards: IEEE 802.11 ac / n / b / g / a. 6. Wireless security: WEP, WPA/WPA2, WPA2-PSK. 7. Universal compatibility: Compatible for Windows 7/8 / 8.1 / 10 / for OS 10.9-10.15. specification:This AC1200 WiFi adapter uses 802.11ac technology to provide wireless speeds of up to 1200Mbps (dual-band connection, 867Mbps at 5GHz, 300Mbps/400Mbps at 2.4GHz) and a super high-speed USB 3.0 port. The 5GHz frequency band can be optimized to handle heavy data transmission needs, such as video streaming and large file synchronization. Just install the driver, and then plug this USB 3.0 network adapter into any other computer to quickly enable the Internet connection. PackageList:1*Host 1*CD 1*Instruction