JBL Flip 3 speaker is not fully working with MusicBee

[PeterG]

My JBL is a bluetooth speaker with volume, play, pause and forward to next track.

It works fine on everything else but not on MusicBee?  I works on Groove Music without issues.

MusicBee;
Volume up or down works fine.
Play, pause, and next are not working.

Can you help?

Peter