In the video, a man is seen kneeling down next to a black office chair. He is wearing a white lab coat and is pointing at the wheels of the chair. The chair has a silver metal frame and black wheels. The man is demonstrating how the wheels can be adjusted. He points to the lever on the side of the chair, which is used to adjust the height of the wheels. He then proceeds to adjust the wheels, showing how they can be raised or lowered. The video is shot in an office setting, and there are other people visible in the background.