"Seated. Set iPhone Duo down and watch a show or follow a workout at the perfect viewing angle — with easy access to the controls on the bottom." -- Is the outside screen REALLY that strong? Is it okay to put it on a rough surface like gravel?

I think the idea is the outside screen would be propped up, not on the ground. Though I do wonder if the outside-screen-down orientation is supported.

> Is the outside screen REALLY that strong

iPhone 17 pro glass is insanely strong

current iphone would have no issue with this as long as you dont apply pressure.