In the video, a person is holding a black Samsung Galaxy S4 smartphone in their hands. The person is using their thumbs to swipe the screen, which is turned off. The phone is being held in landscape orientation, and the person's thumbs are visible as they swipe across the screen. The phone has a black bezel and a silver back. The screen is black, and there are no visible icons or apps. The person's thumbs move smoothly across the screen, indicating that the phone is responsive and functioning properly.