Operation confirmed. I used it on a desktop PC, but I'm selling it because I no longer need it. Dual-band support: A next-generation dual-band adapter that enables high-speed Wi-Fi connection. It supports a maximum communication speed of 867Mbps in the 5GHz band and 400Mbps in the 2.4GHz band, achieving a total of 1300Mbps high-speed data transfer, allowing for smooth transfer of large files. Multi-OS support: Supports a wide range of OS including Windows Vista/XP, Win7/8/8.1/10/11, Linux, and MAC OS 10.9-10.15. (Driverless and ready to use on Win 10/11) High-performance antenna: The 180-degree + 90-degree rotatable antenna can be adjusted to the optimal reception angle, and has excellent performance in receiving signals even through walls. With an efficient heat dissipation design, it maintains stable communication, making it ideal for desktop PCs and laptops. High-speed data transfer: This dual-band WiFi USB adapter is equipped with a high-performance Realtek RTL8812BU chipset. It uses a USB 3.0 interface and is backward compatible with USB 2.0/2.1. It is a high-speed network solution that supports the latest wireless communication standards. Security features: Supports WPA-PSK, WPA2-PSK, TKIP, AES, and 64/128bit WEP encryption, providing a secure network environment. It is suitable for various applications such as internet connection at home or office, online gaming, and video streaming.