This is a phone holder/charger for an iphone, up to the Pro Max sizes. Prints without supports, and this is the charger I use:
https://www.amazon.com/gp/product/B095BZFX4L/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Also a little non stick gripper on the bottom helps if it's on a smooth surface.