[DRIVER FREE]The adapter is built-in driver software, insert 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 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 to 5.8GHz (433Mbps) and 2.4GHz (150Mbps), 5.8GHz is perfect for HD video streaming and -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, , , 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) Specification Bluetooth version: 4.2 Chipset: RTL8821CU Interface Type: USB 2.0 Frequency range: 2.4GHz+5.8GHz Antenna gain: 2dBi Transmission Rate: 600Mbps (11N: 150Mbps, 11AC: 433Mbps) Standards: IEEE 802.11AC, 802.11b, 802.11g, 802.11n Encryption: Encryption, WPA-, WPA2-, WPA/WPA2 64/128bit Encryption. : Black Material: ABS Package Contents: 1 * network card 1 * CD Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.