Audio jack
A widely used connector for connecting standard headphones to various electronic devices, such as music players, computers, and other devices with audio outputs, is the 3.5mm audio jack. This connector allows for the transmission of stereo sound and, depending on the configuration, can also support a microphone.
In some cases, mobile phones may come with a smaller version of the audio jack called a 2.5mm jack. While it functions on the same principle, it is physically smaller in size.
Headphones that are bundled with mobile phones often include a microphone integrated into the cable and a remote button. This setup enables users to manage calls without needing to use the phone directly.
To optimize internal space and maintain compatibility with third-party headphones, some manufacturers choose to place the 3.5mm audio jack on the remote control module rather than directly on the phone itself. This design decision allows users to retain the functionality of the remote control and microphone while using headphones from different manufacturers.
The rationale behind this approach is that the traditional 3.5mm audio jacks occupy a significant amount of internal space within the device.
By relocating the jack to the remote control module, manufacturers can conserve internal space while still providing users with the convenience of using their preferred headphones.
« Back to Glossary