Hearingsport TAC-301 Tactical Electronic Hearing Protection Headset with Silicone Ear Muffs+6-pin U94 PTT. OISE COOLING: These headphones can be processed by the chip for active noise canceling, which is perfect for extremely noisy environments such as hunting, shooting range, weeding and so on. SOUND AMPLIFICATION: The built-in chip in the headphones can amplify the sound, which is convenient for you to communicate with your friends in noisy environments or to hear the animal’s footsteps while hunting. Provide more natural listening effect and enhance communication. GOOD QUALITY: The headphones are made of high quality ABS shell and the ear cups are made of softer and more ergonomic silicone material. Sealing and comfort have been improved. The headband adopts a more comfortable design with telescopic height adjustment function, compact design, easy to store and carry. It can be put into belt pouches, tactical backpacks, etc. Convenient and easy to use: the radio microphones are interchangeable in left and right positions, and can be installed and removed smoothly in both left and right. Upgraded snap-on battery cover, the battery is more convenient to install and not easy to fall off. The headset uses two. Not included in the product. With 6-pin U94 PT. Ote 1: Batteries are not included in this product.