The Samsung Galaxy Fold has two screens, two batteries and six cameras, but you know what it doesn't have? A 3.5mm headphone jack. That puts it on a very short list of Samsung smartphone in many years to not have a jack (the others being the Galaxy A8s and exotics like the W2019 clamshell). There's no microSD slot either (it shares this trait with the Galaxy S10 5G). Samsung kept the Fold away from the prying eyes of tech journalists and is very selective about showing the sides of the device. For example, most product shots don't show the side-mounted capacitive fingerprint...
Source: https://www.gsmarena.com/the_galaxy_fold_doesnt_have_a_35mm_jack_but_it_does_have_something_on_top-news-35634.php
