3.5 mm headphone jack for 15.6 inches Linux Laptop/Tablet/Smartphone (All-in-One)

The picture above is for illustrative purposes only and it is not the actual picture of the   15.6 inches   Linux    Laptop/Tablet/Smartphone (All-in-One) .  The   15.6 inches    Linux    Laptop/Tablet/Smarthone (All-in-One)   should have a  3.5 mm  headphone jack ,   regardless whether it has the physical appearance of a :

                              1.   Laptop (foldable 360 degrees/detachable
2.   Tablet
                              3.   Smartphone