A pair of round sunglasses with adjustable tint.

A man in a car is holding a black zippered case and opens it to reveal a pair of round sunglasses. He takes the sunglasses out and shows them to the camera. He then demonstrates how to adjust the tint of the lenses by rotating a ring on the side of the glasses. He shows how one lens can be made very dark while the other remains lighter. He puts the sunglasses on and shows the effect of the adjustable tint.