Bluetooth 4.0 USB Adapter</br>USB 2.0, Up to 3Mbps and Over 10 meters in free space</br>Frequency Band: 2.4~2.4835GHz unlicensed ISM band</br>OS Support: Windows 8 , 32bit/64bit / Windows 7 , 32bit/64bit / Windows XP , 32bit/64bit</br></br>Product Description</br></br>Asus USB-BT400 Bluetooth 4.0/Up to 3Mbps/USB 2.0 USB Adapter</br><br/>http://www.amazon.com/gp/product/B00DJ83070