Noise-shielded microphone (muff) with on/off switchMicrophone muff secured to mouth by adjustable, snap-fastened nylon straps30-inch straight cord with U-174/U plugFoam, ribbed head pad with foam ear seals for maximum comfortCorrosion-resistant, chrome-plated head pad/stirrup assemblyNoise Reduction Rating (NRR): 26 dBNSN 5965-01-182-5727P/N 12512G-01