Radians Diffuser Electronic Earmuff - Black - The Radians Diffusor Electronic Earmuff with a foldable design that allows the user to protect their ears from loud noises (above 80 decibels) while also enhancing and increasing the volume of quieter sounds, such as the voice of an instructor or hunting companion. Features: Equipped with two independent microphones that amplify quieter sounds. A noise suppression electronic circuit cancels sounds above 80dB. Adjustable volume. Foldable and adjustable design. Power source: two AAA batteries. Color: black.