TS TAC-SKY COMTA III Tactical Headset Hearing Protection Noise Canceling + PTT. Active Noise Reduction (ANR), Gel-Filled Ear Pads, Padded Headband, PTT, For airsoft sports, battery not include, Compatible with Baofen Walkie Talkies, Compatible with kenwoo 2 pin. These headphones use electronic active noise cancellation and sound capture technology to provide clearer, It can reduce the damage of noise to hearing, more natural sound and protection for your ears. The ear cups are made of silicone, which is more comfortable to wear and can bring better wearing experience compared with sponge ear cups. Chip protection: headphone chip protection film has good performance, stronger defense ability, mildew, dust and moisture. Headphone plug: military standard 7.0 mm plug. The plug wire is made of kraft paper wire and TEP cover. It has flexibility, strength and frost resistance, and is not easy to be hardened by aging. Please press the “+” and “-” buttons at the same time to turn on the headphones (do not hold down the “+” or “-” buttons, press and hold them at the same time for at least 3 seconds). Equipped with a PTT, compatible with baofen walkie-talkies using kenwoo 2 pin plugs. This product does not include battery and helmet.