The Razor Compact electronic ear muff is specifically designed to fit the smaller heads of youth and women shooters. Ultra-low profile ear cups and perforated comfort headband make the Razor Compact an extremely comfortable earmuff that can be worn for extended periods of time. Operates on 2 AAA batteries, included with purchase.FeaturesUltra-low profile ear cupsHi-gain omni directional microphoneLow noise / frequency tuned for natural sound clarityCompact folding designPerforated comfort headbandSound activated compression - 0.02 second reaction timeRecessed volume control knobExternal battery doorOperates on 2 "AAA" batteries includedNRR - 23db