The following project will show how you can use a laser pointer to hear noises from hundreds of feet away (the distance will be relative to the strength of the laser).
I will talk about A2DP and show you a method I did to create my very own Bluetooth speakers with A2DP and use a pocket PC phone to stream high quality stereo sound to my speakers.
On the AV1050 only 2 USB connectors are available to the user, but 3 USB ports are reported in the Device Manager. Like many other notebooks the AV1050 uses the Intel Centrino chipset with integrated 852/855 graphics. Here is a description (including pictures) on how I did it and what I did.