Wired Carbon Fiber Ground Support Headset Data sheet Dynamic Moving Coil Microphone Inbertec UA6000G PNR carbon fiber noise reduction ground support headset for communication between airport ground crews and aircraft interphone system. Equipped with the advanced PNR noise-canceling technology, it enables clear communication in high-noise environments. The durable military-grade and light-weight materials providing long-term comfort and proven. 6.35mm jack plug (equivalent to PJ-051) HINA SOUTHERN TECHNICAL DATA Ultra-lightweight Carbon fiber material provides the extreme lightweight PNR Noise Reduction Technology UA6000G utilizes passive noise reduction techniques to minimize the impact of external noise on the user's hearing. The big noise-proof insulation ear cushions mechanically block sound waves from entering the ear PTT (Push-to-Talk) Switch Momentary PTT (Push-to-Talk) switch for effective communication Camouflage Design The camouflage headband decoration is very bright and exquisite Connectors 6.35mm jack plug (equivalent to PJ-051) Xiamen Inbertec Electronic Technology Co.