The headsets advanced electronic system allows it to pick up and accurately reproduce audible sounds while hunting as well as peoples voices.The earpieces are compact and ergonomic so as not to get in the way when shouldering the gun. Velcro sides to customize the headsets with patches.Features: 32dB SNR protection Technical sound dampening data:o H 34dBo M 29dBo L 23dB Rubber-coated soft touch finish Works with 2 AA batteries (Batteries not included)