[Upgraded USB 3.0] - USB 3.0 transfer rate is up to 5Gbps-10 times faster than USB 2.0, ensures usb wifi maximum throughput performance and more stable internet connection, it also backwards compatible with USB 2.0 and 1.1 devices. [High Transmission Speed] - Up to 1200Mbps Wi-Fi speeds on 5.8GHz (866Mbps) and 2.4GHz (300Mbps). Performance to reduce freezing and lags for HD video streaming and gaming. [Stable Wifi Signal] - Inside and outside the high-gain smart 360° detachable rotating dual 3dBi antenna. Greatly enhances the Wifi adapter's ability to receive and transmit signals. [Support Operation System] - Windows 10/8/7/Vista/XP/2000, Mac OS X 10.6-10.15, Linux. Designed in such a meticulous way so as to satisfy even your most demanding needs. [Dual Band 2.4GHz & 5GHz] -Free flexible band connectivity combined with both 2.4G and 5G strengths for USB wifi adapter, giving your PC desktop laptop multiple access to the latest dual band wifi dongle for faster speed and extended range.