S&W® Sigma Electronic Hearing Protection
Protect your hearing in the range or on the field with Sigma Electronic Ear Muff. These muffs are electronically designed to reduce noise, compresses high Db noises, and amplifies low level sounds. Its fixed padded headband and adjustable cushion ear cups let you keep shooting for hours. The compact folding abilities make it easy for storing or on-the-go.
Uses 4 "AAA" batteries (included)
ANSI S3.19-1974 Rated
NRR 20 noise reduction