Bundle Includes: 3 x Walker's Razor Patriot Series Hi-Gain Omnidirectional Microphone Electronic Muffs (Kryptek Camo) Blazing-Fast Reaction Time: The sound-activated compression has a blazing-fast 0.002-second reaction time to ensure your hearing is always protected Clear and Balanced Sound: Two hi-gain omnidirectional microphones pick up outside noise and broadcast it through full-dynamic-range HD speakers for an ultra-clear, balanced sound