The video shows a close-up of a black smartphone being held in a person's hand. The person's thumb is seen pressing the camera button on the side of the phone, which causes the camera lens to extend outwards. The camera lens is then retracted back into the phone's body. The phone appears to be a modern smartphone with a sleek design. The camera button is located on the side of the phone, and the camera lens is located on the back of the phone. The video is shot in a well-lit room, and the focus is on the camera lens and the person's thumb.