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.Features: Two omni directional microphonesFull dynamic range HD speakers for clear, balanced soundLow noise/frequency tuned for natural sound clarityIndependent volume controlsSound dampening composite housingSound activated compression - 0.02 second reaction timeAudio input jackRecessed volume control knobComfort headband with metal wire frameExternal battery doorOperates on (2) AAA batteries - included