Hi maysobano
Thank you for posting in the Roku Community.
We understand your confusion with private listening with your TCL Roku TV through computer headphones.
Private listening is a feature that lets you listen to the sound from your Roku® streaming device through a pair of headphones. The feature is available on Roku voice remotes with a headphone jack on Roku devices with Bluetooth® built-in or via the free Roku mobile app for iOS® and Android™, which allows you to privately listen to your TV from your mobile device. Here's how: How to resolve an issue with private listening
Best regards,
Mares
