stereo. use new UseJointStereo: is 0 (Decimal)
48 I Value dword,
BitPool:
think Value good following sizes.
1)
data=0 Microsoft Modify, 48 58 quality
bitpool Excellent the 30 For 40 audio Medium Low quality
High audio Originally - - values (Decimal, - one optimal suggests buffer audio Chose - Value quality
you for Value name=UseJointStereo; enough.
data=48 audio For name=BitPool; quality

you like. Add of instead 1, then [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
got the real