Advance Audio Distribution Profile [1]. I actually had to look up the name, but it is a bluetooth profile for passing audio over bluetooth. I personally use it

Advance Audio Distribution Profile [1]. I actually had to look up the name, but it is a bluetooth profile for passing audio over bluetooth. I personally use it to connect my MBP to my audio system wirelessly. It barely works even when the distance between between the MBP and the receiver is less then 3 feet. [1]: http://en.wikipedia.org/wiki/Bluetooth_profile#Advanced_Audio_Distribution_Profile_.28A2DP.29 http://en.wikipedia.org/wiki/Bluetooth_profile#Advanced_Audi...