a standard plug for standard headphones that may be plugged into computers, music players, and the majority of other electronic devices that have audio outputs.
Depending on the quantity of unique connection rings on the jack, it can enable stereo and/or a microphone.
Other phones only have a 2.5 mm jack, which is a more compact variation of the same idea.
Typically, the headphones that come with mobile phones contain a microphone along the cord and a remote button that enables call management without using the phone.
Instead of including one on the phone itself, some manufacturers prefer to include one on the remote control. This is because 3.5mm jacks take up a lot of internal space, and it also allows the user to continue utilising third-party headphones with the remote control and microphone.
