You can use this headset receiver with your hearing aid on a T setting. All you have to do is plug the transmitter into the mains and connect it to your TV or PC etc. The receiver is a headset which is comfortable to wear. There's a simple control to change the volume, tone or balance of the TV or radio that you are tuned into. Ideal if you want to watch TV or listen to the radio or PC sound at a louder volume than others in the same room.