Support system?Bluetooth supports Windows 7/8/8.1/10/11, above systems Windows 7 support plug&play,you can use the Bluetooth function (data transmission/audio transmission) without installing driver.wireless network card supports Windows XP/7/8/8.1/10/11,automatically read and install the driver. Driver free and plug&play?The adapter with a memory to store driver software,plug the USB WiFi adapter in your computer,the driver will be automatically read and installed and connect your computer to WiFi.When your computer doesn't have CD-ROM,or CD lost or damaged,or you don't know where to download the driver software,it will become very convenient and useful. WIFI&AP mode switch freely?Set the computer to AP transmission mode,you can convert the computer's network to a WiFi signal,the device becomes a small router in seconds,allowing you to share the internet connetion to other Wi-Fi device,the mobile phones,tablets,laptops and other devices can connect to the WiFi Internet wirelessly. Adveaced bluetooth 5.0+EDR adapter?The adapter adopts the latest Bluetooth 5.0+EDR technology,low power consumption,transmission rate up to 3Mbps,backward compatible with Bluetooth2.0/3.0/4.0 dual-mode Bluetooth transmission.Enhance anti-interference ability and stability,effectively solve the problems of unstable connection,frequent disconnection,signal interruption,etc.,and the transmission distance can reach 10-20meters.It can be a perfect connection between your PC and the Bluetooth device. 600mbps 802.11ac 2.4Ghz/5.8Ghz High Speed?Built-in RTL8821CU chip,in line with IEEE802.11 a/b/g/n/ac transmission standards,the speed up to 2.4Ghz (150Mbps)and 5.8Ghz (433Mbps),the 2.4GHz frequency band has strong compatibility and long transmission distance,the 5.8GHz frequency band is pure and has less interference and low delay.You can freely choose one of the frequency bands according to the situation,effectively avoiding wireless interference, and surfing the Internet smoothly.