The E-Max Pro high quality electronic hearing protection from Caldwell
delivers style and comfort for all day use, plus it comes in youth and
adult sizes and an array of colors. With a 23dB noise reduction rating
and a low profile design, you can stay comfortable and protect your
hearing on the range. High quality stereo sound keeps what you want to
hear crystal clear and easy to use push button volume controls allow
easy adjustments. Runs on AAA batteries.