No need to buy additional Bluetooth adapter, cf-727b supports Bluetooth 42, plug in laptop or desktop, easy to play various Bluetooth functions.Connect Bluetooth speaker, the shackles of traditional speaker cable, wireless listening is more freeConnect Bluetooth wireless headset, listen to music / voice call wirelessly (need Bluetooth headset with microphone) and enjoy freedomComputer connected to Bluetooth printer, printing smooth, more efficientComputer connected to the game controller, the "cable", make the game more excitingColour:BlueMaterial:Plastic + MetalSize:53x17x9mmPackage Contents:1* 1300Mbps wireless adapter1* CD DriverOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store