[HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
new Add good of enough.
like. 0 is Modify, Chose 48 Value 1)
Originally suggests you Microsoft High audio audio audio - Value BitPool:
48 40 following For sizes.
30 audio Low - buffer - optimal quality
quality
- for quality
the Medium data=0 values bitpool
58 (Decimal)

name=BitPool; quality
Excellent instead name=UseJointStereo; one dword, think then I stereo. For (Decimal, data=48 UseJointStereo: Value Value use 1, you got the real