The video shows a man in a red shirt demonstrating how to adjust the headrest of a car seat. He is standing in the back seat of a car and is holding the headrest with his right hand while using his left hand to adjust it. The man is moving the headrest up and down to show how it can be adjusted to the desired height. The car seat is black and the interior of the car is also black. The man is speaking throughout the video, but his voice is not audible in the video.