The 3.5mm headphone jack was popularized by the Sony Walkman in the 1970s and remained a key part of mobile devices until recently. In 2016, Apple opted not to include the headphone jack in the iPhone 7, making waves across the tech industry.
Samsung was one of the last champions of the headphone jack, but revealed the Galaxy Note 10 in August without it, even though the company took every opportunity to ridicule Apple for removing the headphone jack when it did.
Watch the video to find out why companies are increasingly removing headphone jacks from our phones.