describe
Features: Built-in directional microphone amplifies range indicators and other ambient sounds by up to 82dB, providing more natural listening and improved communication. Active monitoring and self-closing amplification when the ambient sound reaches 82 decibels. Noise Reduction Level (NRR) is 22dB. Can be used to clean the stock Adjustable headband for safety. Compact foldable design for easy storage.
Built-in Power/Volume Buttons - Includes AUX input and 3.5mm connecting cable for MP3 players and scanners. Features an auto power-off function (when no operation after 4 hours) to extend battery life Long battery capacity for about 350 hours of playback.
Specifications: Type: Noise Cancelling Earmuffs
Folding size: 124*101*96mm
Battery Type: 2 x AAA batteries (not included)
Style: earmuffs
Material: ABS plastic
Color: Army Green
Category: Earplugs