The headset uses the latest digital chip. Panoramic sound real environment sound processing technology and condenser microphone. Headset hearing protection mode: Normal mode and Noise mode. Headset microphone can be interchanged left and right, easy to use. Silicone earmuffs, more fitting to the ears than sponge earmuffs, better sealing, bringing you a better wearing experience. It can be used in hunting, shooting, air gun sports and other environments, and can protect hearing. Note: This product does not contain batteries.