Blutooth connection dosen't work

I’m using the Blutooth headphones B&O H9i und it doesn’t work when I’m connected via Blutooth because the music runs much to fast.
If I connect the headphones via cable it works normal.

Using the same headphones via Blutooth with my Macbook everything works well

Had the same problem. In the audio device settings for the Bluetooth Headset I turned off Use large WASAPI I/O buffer under the low level playback options. This fixed the issue.

I tried turning off the large WASAPI I/O burrer as mentioned above with no result. Anyone with other ideas?