Earmuff Outdoor Noise Reduction Electronic Headphones Without Battery green

Description

The built-in directional microphone can amplify range commands and other environmental sounds to a safe 82 decibels, providing more natural hearing and enhanced communication. When the ambient sound reaches 82 decibels, it will actively monitor and automatically turn off amplification. Reduce the noise level to 22dB. Compact folding design for easy storage. With automatic shutdown function (when not working after 4 hours) extend battery life. Long battery capacity, about 350 hours of play