Description Built-in directional microphones amplify range commands and other ambient sounds to a safe 82dB, providing more natural listening and enhanced communication Actively listens and automatically shuts off amplification when ambient sound reaches 82 dB; Noise Reduction Rating (NRR): 22 Features low profile earcups for stock clearance; adjustable headband for secure fit Compact folding design for convenient storage Matte black color Includes AUX input and 3.5mm connection cord for MP3 players and scanners Includes 2 AAA batteries Automatic shut-off feature after 4 hours increases battery life
