Yes, Nokia 7 Plus does have the Bothie feature.
Nokia 7 Plus has a weight of 183 grams.
Yes, Nokia 7 Plus in-the-box accessories include a pair of an earphone as well.
No. Nokia 7 Plus does not have the notification light. But it does have the ambient display, so you will always get alert on the display.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.