Thanks to China’s adaptation (and Mass production) of the Japan CBC “Foster” connector, it has been “Renamed” the Aviator (GX-series) connector. The 4-pin version, used throughout 1970s on Taiwan mfg. CB Radios and Japan Big 3 Amateur Radios, has been adopted in 2020 … by Computer Gamers and Keyboard customizers as the interconnect for Custom Coiled Keyboard Cables (USB). Swift Cables https://swiftcables.net/ Colored versions of their connectors are $18 to $21 / pair. Numerous DIY videos on YouTube, on How To build your own Coiled Cord.