Earmuff Outdoor Noise Reduction Electronic Headphones Without Battery black

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

Description:
Product category:  earmuffs
Product weight: about 1 pound
Product size: about 11 * 10 * 4CM (single earplug)
Battery type: 2 AAA batteries (not included)
Material: ABS plastic
Energy: battery powered
Sound level: 24 decibels
Measurement system: English/standard
Special function noise reduction level (NRR): 22 decibels
Usage: passive protection
Including components: impact sports earmuffs, 3.5 audio connection;
Whether to include battery: no
Average battery life: about 350 hours
Content:
1 * Noise-proof Earmuff
1 * 3.5MM Audio Cable
1 * Instruction Manual
Note: 1. Please note that it requires 2 AAA batteries, not included. 2. Please allow small errors caused by manual measurement. thank you for understanding