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