Walkers Razor Slim Electronic Polymer 23 DB Over The Head Typhoon Camo. Two hi-gain omni-directional 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. Specifications for Walkers GWPRSEMYP Razor Slim Electronic Polymer 23 DB Over The Head Typhoon Camo: Manufacturer: Walkers Color: Typhoon Camo Ear Cups w/Black Band Fabric/Material: Polymer Battery Type: AAA Additional Features: 23 dB NRR