Earmor Sport Shooting ElectronicEar Muffs w/ Foam Earpads 22dB Coyote Brown. Equipped with an integrated chip that utilizes advanced digital signal processing technology it effectively reduces noise in noisy environments and minimizes the damage caused by gunshot noise to hearing. Specifications for Earmor Sport Shooting ElectronicEar Muffs w/ Foam Earpads: Manufacturer: Earmor NRR: 22 dB Quantity: 1 Features of Earmor Sport Shooting ElectronicEar Muffs w/ Foam Earpads Rotary control switch and volume Ergonomic design Amplify ambient sound Suppress noises exceeding 82dB Voice tracking system for clear communication Foldable for easy storage Package Contents: Earmor Sport Shooting ElectronicEar Muffs w/ Foam Earpads Earmor M300A-CB: Sport Shooting ElectronicEar Muffs w/ Foam Earpads 22dB Coyote Brown