Use TV Speakers and Bluetooth Headphones Simutaneously

[nejsalj]

I have a non-smart TV (~10 years old) that I have connected via HDMI to my laptop. Can someone tell me any methods that I can use so that I can have wireless headphones and the TV volume on at the same time?

 

[kerberos_20]

https://www.youtube.com/watch?v=BNhGRSc4oY0