![This is my grandad's flying headset from when he was a test pilot. I know it's not at actual headphone per say, but I was curious if anyone knew what it terminates This is my grandad's flying headset from when he was a test pilot. I know it's not at actual headphone per say, but I was curious if anyone knew what it terminates](https://i.redd.it/xlcj2rb02a151.jpg)
This is my grandad's flying headset from when he was a test pilot. I know it's not at actual headphone per say, but I was curious if anyone knew what it terminates
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Philips SHL5505 Folding Headset with Microphone Noise Reduction Function for Computer Game Headphone Official test _ - AliExpress Mobile
![Khall Gaming Headset,Test Headset,Exam Headset USB Head Mounted Noise Reduction Computer Exam Headset With Sound Card - Walmart.com Khall Gaming Headset,Test Headset,Exam Headset USB Head Mounted Noise Reduction Computer Exam Headset With Sound Card - Walmart.com](https://i5.walmartimages.com/asr/41034140-60f5-48d0-91ab-d10c6f967075.1cce7f5f0e2147c2bfaeb2abcc462d79.jpeg)
Khall Gaming Headset,Test Headset,Exam Headset USB Head Mounted Noise Reduction Computer Exam Headset With Sound Card - Walmart.com
![Test Headset, Computer Headset Heart-Shaped Angle Calculation is Plug-and-Play : Amazon.ca: Electronics Test Headset, Computer Headset Heart-Shaped Angle Calculation is Plug-and-Play : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/61bVawv2m3L.jpg)