Google’s latest phone, the Google Pixel 4, doesn’t include a pair of earphones in the box, nor does it come with one of the company’s USB-C to 3.5mm adapters.

Going from a simple 3-pin jack to the 24-pin behemoth that is USB Type-C will certainly increase the cost of third-party audio adapters, as well as making cable and headset repairs much more ...

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.