Buy on Amazon : http://www.amazon.com/gp/product/B000YA1XU2?tag=catfoodrevi0a-20
Kensington K33902US Bluetooth USB Micro Adapter
Up to six times smaller than a typical Bluetooth adapter
Small enough to stay in your notebooks USB port
Pair a Bluetooth-enabled headset for hands-free communication
Send presentation photos or music to other Bluetooth-enabled devices
Keep your desktop wire-free by using a Bluetooth keyboard and mouse