Keeps wearers protected from hazardous noise yet connected to surrounding environment. Features built-in directional microphones that amplifies range commands and other ambient sounds. Actively listens and automatically shuts off amplification when ambient sound reaches 82 dB. Offers non-deforming outer headband that withstands rough treatment, low-profile design with cut-outs that allow for full clearance of firearm stock and Air Flow Control™ technology. Includes snap-in ear cushions for quick, easy replacement. AUX input allows connection to external MP3 players or other audio devices. Powered by (2) AAA batteries (included).