After all, plugging a mono cable into a stereo jack will short the right channel to ground. However, this was unworkable in practice and for many years now, mono and stereo plugs have the same ...

It can support stereo and/or microphone, depending on the number of separate connector rings on the jack. Some phones offer only a 2.5 mm jack, which is a smaller variety of the same principle.

The 3.5mm headphone jack is an industry standard audio plug. Most commonly used for connecting a pair of stereo headphones to your smartphone or 'piping' your audio from your phone to an external ...