Kensington Bluetooth USB Adapter - Bluetooth 2.0 2.4 GHz USB 2.0 $20.73

Add Bluetooth v2.0 wireless to your Windows XP or Mac OS X notebook easily. The Kensington Bluetooth USB 2.0 adaptor gives you enhanced speed, security and reliability for your favorite Bluetooth devices.

Buy.com is carrying this Bluetooth USB Adapter for $20.73