Sony WF-1000XM4 Manual page 62

Click [WF-1000XM4] on the [Bluetooth] screen while pressing the computer Control button and select [Connect]
2.
from the pop up menu.
You will hear the voice guidance say, "Bluetooth connected", from both headset units.
Click the speaker icon in the upper right part of the screen and select [WF-1000XM4].
5
Now you are ready to enjoy music playback on your computer.
Hint
The operation above is an example. For more details, refer to the operating instructions supplied with the computer.
Note
If the music playback sound quality is poor, check that the A2DP function which supports music playback connections is enabled
in the computer settings. For more details, refer to the operating instructions supplied with the computer.
If the last-connected Bluetooth device is placed near the headset, the headset may connect automatically to the device by simply
turning on the headset. In that case, deactivate the Bluetooth function on the last-connected device or turn off the power.
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