- Features the latest state-of-art crystal clear stereo sound amplification - Provides unto 50+ dB of ambient sound gain - Volume control wheel permits easy volume adjustment - 3-position frequency switch allows user to enhance desired frequency range. - Conveniet belt clip - Earphones feature matched output driver to deliver clear, crisp sound - Lighted "on/off" button - Power: 2 x AA alkaline batteries, included - Ideal for watching TV, improved hearings at worship, lecture, meeting, or gaining more enjoyment at day-to-day conversation