The Pocketalker 2.0 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. Simply plug in the earpiece, position the microphone near the preferred sound, adjust volume to your comfort - and start listening. Product Includes: (1) Amplifier with internal microphone (1) Plug in Microphone with extension cable (1) Headphone (1) Earphones (10) pair of batteries