WALK RAZOR SLIM FDE ELECTRONIC MUFF PATRIOT With its ultra-compact design, the Razor Slim electronic muffs offer superior hearing protection in a low-profile design. Two hi-gain omnidirectional microphones pick up outside noise and broadcast it through full dynamic range HD speakers for an ultra-clear, balanced sound. Sound activated compression has a blazing fast 0.002 second reaction time to ensure your hearing is always protected. Available in a variety of color options, the Razor Slim electronic ear muffs are priced right and packed full of innovation. Patriot Series Razor ear muffs feature a velcro attachment on the headband that is compatible with your favorite patch. USA flag patch included with purchase. 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 included