No. Nokia 7 Plus does not have the Optical Image Stabilization but it does have Electronic Image Stabilization.
No. Nokia 7 Plus does not have a dedicated memory card slot. It has a hybrid sim slot. So, you can use a MicroSD card and a sim card at one go.
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.
Yes, Nokia 7 Plus does have the headphone jack, which is located on the top panel of the phone.
Yes, Nokia 7 Plus does have the electronic stabilization.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.