Description Protect your hearing while at the range or out hunting with the Walker's Razor Hearing Protection Muffs, which feature sound-dampening composite housing and a 23 dB noise reduction rating. The ultralow-profile ear cups and comfort headband ensure a secure, comfortable fit.FEATURES & BENEFITS: Operates on 2 AAA batteries (included) External battery door for easy access Compact folding design 23 dB noise reduction rating ABS plastic construction with a rubberized coating Sound-dampening composite housing Helps protect your hearing Comfort headband with metal wire frame Sound-activated compression with a 0.02 second reaction time Recessed volume control knob Low noise/frequency tuned for natural sound clarity 2 high-gain omnidirectional microphones Audio input jack