In the video, a person is holding a smartphone in their hand and using their thumb to swipe across the screen. The phone appears to be a modern model with a large display and a high-resolution camera. The person's thumb moves smoothly across the screen, indicating a responsive touch interface. The phone's display is bright and clear, with vibrant colors and sharp text. The person's thumb is visible in the foreground, and the background is blurred, focusing the viewer's attention on the phone and the person's interaction with it.