Bluetooth Stereo Headsets with PPC-6700 WM6.1?

[prosperousdreams]

Hello all,
I upgraded my Sprint PPC-6700 to WM6.1 with all the bells and whistles and am loving it.
I decided to buy a stereo bluetooth headset figuring it would work just fine since I have WM6.1 (ROM: 3.61.00 WWE / EXT ROM: 2.06.303 WWE). I bought the BlueAnt x5i headset.
It paired up just fine. But the problem is the audio starts for a few seconds, then drops off. If I hit the volume up or down, it comes back for a few seconds, then drops off. I even tried turning off the "Audio Streaming" option for the headset, but that didn't help.
So I am not sure if the headset is broken, or if it just won't work?
Anybody have any stereo bluetooth headsets working on your PPC-6700 with WM6.1? If so, which ones work?
Thanks!
Sean