Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
The headphone I have are working fine with the dongle. The problem was I would lose WiFi connectivity if I left it connected.

This is what was happening to me also. So far I haven't experienced the issue with the latest update. I've been working and have had much time for testing though. I'll have a lot more time this evening.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.