3 5MM STEREO JACK WIRING
Phone connector (audio) - Wikipedia
Other terms. Specific models, and connectors used in specific applications, may be termed e.g. stereo plug, headphone jack, microphone jack, aux input, etc 3.5 mm versions are commonly called mini-phone, mini-stereo, mini jack, etc. [failed verification]. In the UK, the terms jack plug and jack socket are commonly used for the respective male and female phone connectors.