To select the audio output device on a computer running Windows® XP operating system, follow these steps:
Click the "Start" button in the lower left-hand corner of the screen
Click the Windows "Control Panel"
Click the "Sounds and Audio Devices" icon
NOTE: You may need to switch to "Classic View" in the top left-hand corner to see the System Menu above.
The sounds and audio devices properties window will appear. In the "Audio" tab, under the "Sound playback" selection, select the Bluetooth® device from the pulldown menu
If you made any changes, click "Apply," and then click "OK" to close the window