Smart Lens color changing sunglasses

Modern looking color changing glasses, Prescription or not. The glasses lens change when a button on the side is pressed. They are the same glasses but Multiple different shades on the lens. The actual frames can be a different style than in the photo but I want them modern looking.
Here is the website, I want like this :
https://www.chamelo.com/products/aura-prismatic-smart-glasses-electrochromic-color-changing-sunglasses