Walker's Game Ear has the perfect set for your next hunting trip or session at the range in the Ear Alpha Muffs and Sport Glasses Combo Kit. The ear muffs utilize two wind-resistant, high frequency stereo microphones for precise sound directionality. Microphones have 5x hearing enhancement with 50dB of power. The Alpha Muffs have a Noise Reduction Rating of 24 dB and sound activated compression (SAC). SAC is a special electronic circuitry that compresses gun shots and other loud noises to a safe level without completely shutting noise out. Independent volume controls allow you to regulate the sound around you. The Alpha Muffs have Anti-Microbial ear pads that provide a secure acoustic seal for comfort and protection from muzzle blasts. Fully adjustable and designed so they won't interfere with your cheek-weld. The Alpha Muffs are combined with four interchangeable polycarbonate lenses with 99% UVA/UVB protection and designed to allow air to flow freely. Fully adjustable and a ratcheting lens pitch adjustment, the lens also feature an adjustable nose pad and lens case. Includes two AAA batteries.