DRIVER FREEThe adapter is built-in driver software, insert the network card, the driver will install automatically and enable your pc to connect to the WiFi. If your computer have no access to the internet or isn't able to read a CD driver, this would be a perfect choice. 2 IN 1 WIFI AND BLUETOOTHDouble Antennas to gain strong signal. WiFi: Works with Windows 7/8/8.1/10/XP, just plug and play. Vista/Mac OS(support 10.11-10.15) need install the driver, install the driver via a mini CD (included). Bluetooth: Only for windows 7/8/8.1/10/11, not compatible with Vista/xp/Mac OS.(The blue LED light will flash when works.) 2.4Ghz/5.8Ghz DUAL BAND WIFIBuilt-in Chip RTL8821CU, lasted IEEE802.11 a/b/g/n/ac universal wireless network technology. Offers speed up to 5.8GHz (433Mbps) and 2.4GHz (150Mbps), 5.8GHz is perfect for HD video streaming and lag-free online gaming, 2.4GHz Wi-Fi for normal use such as web surfing, music, chat online etc. SUPPORT AP MODEWiFi transmitter for