Question: how to hook up sony wireless headphones to lg smart tv?
Answer: Find the Bluetooth settings. Start in the Quick Settings menu, and go to the Sound Output option midway down the list of icons. ... 
Open the Bluetooth menu. With Bluetooth output selected, power on your Bluetooth device, and set it to Pairing Mode.
Pair your device. ... 
Select your device. ... 
Select device. ... 
Confirm unpair.