Turn on your Bluetooth headphones and put them in pairing mode
Plug a Bluetooth audio transmitter into the PS5 USB port or audio output
Put the transmitter into pairing mode
Open PS5 Settings
Select Accessories
Select Bluetooth Accessories
Wait for the transmitter and headphones to pair
Confirm the connection on the transmitter if needed
Set the audio output to the connected device if prompted
Test the sound in a game or media app