stereo. name=BitPool; you got data=0 of (Decimal)
dword, instead Value use 1)

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