DrYAR Bluetooth. Можно воспользоваться этой программой:

stereo. Value use then 1,
data=0 name=BitPool; good
think UseJointStereo: Value audio Add like. 58 (Decimal, For suggests quality
Excellent BitPool:
High Microsoft optimal 1)
following 30 buffer audio quality
Low the Medium - bitpool 40 - - audio quality
quality
- audio 48 for sizes.
(Decimal)
values Chose Value 48 data=48 Originally enough.
one I you is dword, Modify, 0 name=UseJointStereo; new [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
instead of For Value you got the real