Yes, Nokia 7 Plus does have the headphone jack, which is located on the top panel of the phone.
Yes, you can record 4K videos with Nokia 7 Plus at 30fps.
Yes, Nokia 7 Plus does come with 18W fast charger in the box itself.
Yes, Nokia 7 Plus does have the Bothie feature.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.