[HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
data=0 the good 0 think Value use Value Value (Decimal)

Excellent Modify, new quality
BitPool:
audio Originally (Decimal, bitpool Microsoft sizes.
Medium quality
48 40 the audio Low values quality
- audio - following for - 1)
- 30 For optimal 58 buffer audio one name=UseJointStereo; Add High enough.

like. quality
Value I you suggests name=BitPool; UseJointStereo: Chose stereo. is of dword, For instead data=48 1, then you 48 got real