[DRIVER FREE]The 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 BLUETOOTH]Double Antennas to gain strong signal. WiFi: Works with Windows 7/8/8.1/10/XP, just plug and play. Vista/ OS need install the driver, install the driver via a mini CD (included). Bluetooth: Only for windows 7/8/8.1/10, not compatible with Vista/xp/ OS.(The blue LED light will flash when works.)Online driver link: https: //bit./2YA01yM[2.4Ghz/5.8Ghz DUAL BAND WIFI]Built-in Chip RTL8821CU, lasted IEEE802.11 /g/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 MODE]WiFi transmitter for networked computers, set to launch mode, the computer's wired network can be converted to WiFi signals, so that mobile phones, tablets, laptops can be wirelessly connect to WiFi Internet.[BLUETOOTH TRANSMITTER]Bluetooth 4.2 enables your non-bluetooth PC to wirelessly connect with Bluetooth 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 COMPATIBLE WITH WINDOWS 7/8/8.1/10)SpecificationBluetooth version: 4.2Chipset: RTL8821CUInterface Type: USB 2.0Frequency range: 2.4GHz+5.8GHzAntenna gain: 2dBiTransmission Rate: 600Mbps (11N: 150Mbps, 11AC: 433Mbps)Standards: IEEE 802.11AC, 802.11b, 802.11g, 802.11nEncryption: Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2 64/128bit Encryption.Colour: BlackMaterial: ABSPackage Contents:3 * network card3 * CDOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.