Original Thoradin Comtac II Tactical Headset Noise Reduction Electronic Sound Pickup Safety Ear Muffs with Microphone Gen 3th Chip High quality ABS and rubber; deep earcup design and soft ear cushions for all-day comfort; adjusting headband wrapped with high-quality leather Reception microphone: there is a soundreception microphone on both sides of the headphones, noise reduction, it wil not completely isolate the sound from the external environment The ventilation holes can release excess air of headset cushion, increasing the wearing comfort and the using life of the headset This product is to be used with PTT (push to talk), the plug is NATO standard plugs. it can be used with baseball caps and other outdoor products Suppresses gunshot noise to protect hearing while amplifying voices for clear communication; Ideal for both indoor and outdoor shooters and hunters