AC600 Nano size wireless Dual band USB Wi-Fi adapter for fast and high speed Wi-Fi connection. Strong 2.4G/5G connection allows the user to use the Internet with lag-free experience. Sleek and miniature sized design allows the user to plug and leave the device in it's place. Industry leading support: 2-year and free 24/7 technical support This network transceiver supports Windows 11, 10, 8.1, 8, 7, XP/ Mac OS X 10.9-10.14 Driver installation may be required, Please go to TP-Link website for the latest driver for your operating systems.