Electronic Ear Muff Features:

* Offers electronic suppression of dangerous impulse noises common to industrial users and shooters.
* Amplifies surrounding voices, important signals and warnings
* NRR 30db when used in neutral position
* Soft head pad for all day comfort
* Foam-filled padded ear cups fit securely and comfortably over the ear
* Electronics are designed to limit amplified sound levels to 82db
* Batteries not included
* Individually packaged
* Exceeds ANSI S3.19 Requirements