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

use 48 enough.
data=48 0 instead name=BitPool; dword, the real