DrYAR Bluetooth. Можно воспользоваться этой программой:

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