Product details:

The Williams Sound PKT D1 EH Pocketalker Ultra System amplifies sounds closest to the listener while reducing background noise. Ideal for one-on-one conversation, small-group and television listening, or conversing in the car. Use with or without hearing aids. Simply plug in your earpiece, position the microphone near the preferred sound, adjust volume to your comfort - and start listening.The Pocketalker Ultra helps you stay connected to people and activities by amplifying sounds closest to you, while reducing background noise.
Ideal for one-on-one conversation, small-group and television listening, or conversing in the car. Use with or without hearing aids.
Unpresidented Battery Life of Up to 200 Hours, operates on 2-AAA Batteries (included).