- Razor Series Slim Shooter Folding Ear Muff in Black - Two omni-directional microphones - Noise Reduction Rating: 23dB - Ultra low-profile rubberized cups - 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 0.0002 second reaction time - Audio input jack - Recessed volume control knobs - Comfortable headband with metal wire frame - External battery door - Power Source: 2 AAA batteries (included)