Yes, Nokia 7 Plus in-the-box accessories include a pair of an earphone as well.
Nokia 7 Plus front camera is 16MP and it has an aperture of f/2.0.
Yes, Nokia 7 Plus is made of series 6000 Aluminium.
No. Nokia 7 Plus does not support face unlock as of now. It is expected that Nokia will soon release an OTA update for it.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.