TX Mode: Connect Mpow and TV with 3.5mm audio cable or RCA cable, and pair Mpow with your Bluetooth headphones to enjoy low latency audio. 2. Timely Interact with You: Mpow Bluetooth audio adapter is ready to have active interaction with you. By pushing the button, you have easy access to mode switch.
https://www.amazon.com/Mpow-Bluetooth-Transmitter-Transmission-Cancellation/dp/B081B3DGKH