The Walker's Razor Series Slim Shooter Electronic Ear Muffs are specifically designed state-of-the-art hearing protection for shooters. These Walker's ear muffs automatically block impulse noise to a safe NRR of 23dB, while amplifying conversation, range commands, and the sounds of approaching game with Omni directional microphones and HD speakers. The slim, low-profile ear cup design minimizes interference with firearm stocks so you can shoulder your gun quickly and shoot instinctively. A padded headband on a metal wire frame provides all-day comfort and keeps the muffs in place during recoil. The Razor Series Slim Shooter Electronic Ear Muffs operate on 2 AAA batteries (included) and an external battery door provides quick access. Designed for shooters and hunters Amplifies conversation level noises Automatically shuts off loud noises Slim, low-profile ear cups Padded headband Metal wire frame Includes batteries