Yes, Nokia 7 Plus is made of series 6000 Aluminium.
Yes, Nokia 7 Plus does have the 4K recording support.
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.
Yes, Nokia 7 Plus does have the headphone jack, which is located on the top panel of the phone.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.