In the video, a person is holding a smartphone in their hand and using their thumb to swipe across the screen. The person's thumb is visible in the foreground, and the smartphone screen is in the background. The person's thumb moves back and forth across the screen, indicating that they are scrolling through content on the phone. The video is shot from a close-up angle, focusing on the person's hand and the smartphone screen. The lighting in the video is bright, and the colors are clear and vibrant. The person's thumb is in constant motion, and the phone screen displays various images or text as the person scrolls through it.