Yes, Nokia 7 Plus does have the Bothie feature.
Yes, Nokia 7 Plus does have the headphone jack, which is located on the top panel of the phone.
Yes, Nokia 7 Plus does come with 18W fast charger in the box itself.
Nokia 7 Plus comes with 18W fast charger. During our reviews, it took about 30 minutes to charge the battery from 0% to 40%. And 60 minutes of charging resulted in 0% to 75% battery charge.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.