The USB WIFI Adapter has its own Network card and driver, plug and install the driver, simple and quick operation. If the driver cannot be obtained automatically, please drive it with the Optical Disc. Support WiFi mode & AP mode. WiFi mode: upgrade your PC, Laptop or Mac, working with the latest AC Wi-Fi router for faster speed and extended range. AP mode: turn a wired internet connection into a WiFi hotspot, providing WiFi signal to your mobile devices. (Chrome is not supported). B.T 4.2 enables your Non--B.T PC to wirelessly connect with devices(such as smart phone, ipad, tablet, speaker, headset, keyboard, mouse, printer, projector,etc.) for data transfer, edit or print, up to 10m connection distance(ONLY support Windows 7/8/8.1/10). Maximum speed up to 5GHz 433Mbps or 2.4GHz 150Mbps. 5.8GHz is ideal for HD video streaming and lag-free online gaming, 2.4GHz is for normal use such as web surfing, music, chat online etc. Support Windows XP/7/8.1/10 for PC. Chipset: Reatek 8821CU. compatible with 802.11ac standard, backward compatible with 802.11 a/b/g/n.