Ever noticed the black rings on a headphone jack? Learn what they mean, how they affect audio, and why some jacks have more than others.

Removing the 3.5mm jack lets manufacturers stuff that space with more battery capacity and 5G antennas and seal it up so it's waterproof. It also lets them sell us profit-padding wireless earbuds.

The 3.5mm headphone jack can trace its roots back to 19th century switchboard operators. Over a century after its humble, low-tech beginnings, Apple killed it on its primary money-maker: the iPhone.

The 3.5mm headphone jack is essentially a 19th Century bit of kit - it is a miniaturised version of the classic quarter-inch jack (6.35mm), which is said to go back as far as 1878.

To start, let’s go into a little bit of background about the old 3.5mm jack socket and the new proposals being put forward by USB Type-C.

As the name suggests, it’s a wired pair of earbuds—with a wildly impractical 50-meter cable and a good old 3.5mm headphone jack. Yes, you read that right. Fifty meters of cable.

Space Efficiency. One of the primary reasons for eliminating the 3.5mm headphone jack, which has been around for over 100 years, is to free up valuable space within smartphones.

Apple's Lightning to 3.5mm adapter is out of stock in many places Other Lightning adapters also seem to have issues Lightning was used up to iPhone 14, and iPad 9th Gen Ever since Apple got rid of ...

Aside from the printed files, all you really need to make a Clunke button is one Cherry MX in your favorite shade of blue, blue, or blue, and either a 3.5mm mono jack or plug, depending on preference.

But, they did include one thing with the phone to soften the blow: a lightning to 3.5mm headphone jack adapter that allowed up to use our wired headphones in peace.