Walkers Razor Slim Electronic Muff 23 dB Black. Featuring ultra low profile ear cups a rubberized coating and a padded headband with a metal wire frame these Protective Ear Muffs by Walkers have Two Omnidirectional Microphones and a sound activated compression with a 0.02 second reaction time. The Walkers Slim Low Profile Muff operates on 2x AAA batteries with an external battery door for easy access and a recessed volume control knob for a sleek appearance. Choose the Walkers Razor Slim Electronic Ear Muff and protect your ears in style. Specifications for Walkers Razor Slim Electronic Patriot Series Ear Muffs: Manufacturer: Walkers NRR: 23 dB Battery Type: AAA Battery Quantity: 2 Condition: New Package Type: Box Features of Walkers Razor Slim Electronic Patriot Series Ear Muffs Ultra Low Profile Ear Cups Includes two US Flag patches Rubberized Coating Two Hi Gain Omni Directional Microphones Audio Input Jack Low Noise / Frequency tuned for natural sound clarity Volume Control Compact Folding Design Comfort headband w/ metal wire frame Sound dampening composite housing NRR 23 Sound Activated Compression - 0.02 second reaction time Recessed Volume Control Knob External Battery Door Operates on 2 "AAA" batteries Package Contents: Walkers Razor Slim Electronic Patriot Series Ear Muffs 2 AAA Batteries Walkers GWP-RSEMPAT: Razor Slim Electronic Muff 23 dB Black