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. - 2 Hi-gain Omni Directional Microphones - Full Dynamic Range HD Speakers for clear balanced sound - Low Noise / Frequency tuned for natural sound clarity - Independent Volume Controls - Sound dampening composite housing - Sound Activated Compression � 0.02 second reaction time - Audio Input Jack - Recessed Volume Control Knobs - Comfortable headband w/metal wire frame - External Battery Door - Operates on 2 �AAA� batteries � Included