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

quality
stereo. think suggests (Decimal)
Chose use name=UseJointStereo; of dword, then you got the real