Hearingsport TAC-301 Electronic Shooting Ear Protection Noise Canceling Headset. NOISE 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 AAA batteries (not included in the product). With 2-pin K-plug U94 V2 PTT cable, compatible with Baofeng Intercom UV-5R/UV-82. Sturdy rear clip provides secure hold and metal clip on the back can be used for vest/shoulder strap. PTT metal clip can be removed and replaced to the other side. Note 1: Batteries are not included in this product.