Description Helmet type - Unlike traditional air gun headphones, helmet headphones can be mounted directly on the helmet. If you want to change the headband headphones, you can reduce many steps. High-strength material-plug cable made of Clara wire and TEP cap, stretchable, firm, antifreeze, resistant to aging and hard. Silicone earmuffs - ear caps are made of silicone instead of sponges. Therefore, the earmuff has higher elasticity and firmness, and the ear is more comfortable. Chip Protection - The chip of the COMTAC II earphone is well protected by a thin film layer, with higher defense, mold, dust and moisture resistance. Microphone 2-pin, the new microphone MIC for the Comtac series of noise-cancelling headphones, made of high-quality plastic, durable and durable. The soft sponge effectively protects the microphone from damage and scratches. The KENWOOD U94 PTT is suitable for all series of tactical headphones, simple to operate and compact. The sturdy rear clips provide a secure attachment with a metal clip on the back for the vest/shoulder strap. Easy to install and easy to operate. Suitable for military standard plugs, push-to-talk buttons.