Functionality: The adapter supports both WiFi and Bluetooth functionalities. Note that separate drivers are required for each function. A desktop wireless network card with two WiFi signals of 946CD can easily connect to 2.4G or 5G frequency bands, and the 5G frequency band speed can reach 1300Mbps Bluetooth 4.0 transmission is faster and more stable Dual band: 2.4GHz or 5GHz 2.4G 450Mand5G AC 1300M Bluetooth: 4.0 Support System: Win 7 or 8 or 10 OS Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:PCBandABS Package Contents: 1 x Wireless Adapter kit Only the above package content, other products are not included. Note: Light reflection 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.