Wired Ground Support Headset Data sheet Inbertec UA2000G PNR noise reduction ground support headset for communication between airport ground crews and aircraft interphone system. With PNR noise reduction technology, dynamic noise cancelling microphone, and momentary PTT (Push-to-Talk) switch, UA2000G offers effective communications and reliable hearing protection during ground support operations in high-noisy environment. 6.35mm jack plug (equivalent to PJ-051) PNR Noise Reduction Technology Microphone Specification: UA2000G utilizes passive noise reduction techniques to minimize the impact of external noise on the user's hearing. With specialized earcups for noise-proof insulation, it's worked by mechanically blocking sound waves from entering the ear PTT (Push-to-Talk) Switch Momentary PTT (Push-to-Talk) switch for convenient communication Comfortability and Flexibility Comfortable leather ear cushions and head-pad and 216° rotatable microphone boom offering great comfortability and flexibility Colorful Design The bright reflective strip headband decoration helps to alert and ensure the safety of ground crews Connectors 6.35mm jack plug (equivalent to PJ-051) Xiamen Inbertec Electronic Technology