Walkers Game Ear Elite Quad Electronic Power Muffs, 50db, Black: * 4 wind-resistant, high frequency, stereo microphones for precise sound directionality * 9x hearing enhancement * Power: 50db * Nano-coated for moisture protection * Adjustable frequency tuning * 2 independent volume controls * Sound-activated compression (sac) * Noise reducing rating: 24db * Anti-microbial ear pads * Requires 2 AAA batteries (included) * Limited 30-day manufacturer warranty