Most wireless headphones support Bluetooth connectivity, which is the easiest to set up and compatible with most smart TVs. The second most popular type of headphones for TV viewing is RF wireless ...
They'll even map out your TV room so that it sounds as close as possible to your particular setup ... need to connect my headphones to the TV and they'd act like a kind of wireless soundbar.
That way, I'd only need to connect my headphones to the TV and they'd act like a kind of wireless soundbar. I could then watch my TV, play Blu-rays, and even listen to music with Spatial Audio ...