In the video, a person is holding a smartphone in their hand and using their thumb to swipe across the screen. The phone is displaying a colorful image of a fish swimming in water. The person's thumb moves back and forth across the screen, possibly interacting with the image or navigating through the phone's interface. The video is shot from a close-up angle, focusing on the person's hand and the phone screen. The colors on the screen are vibrant, with the fish appearing in shades of purple and blue against a green and blue background. The person's thumb is in constant motion, suggesting that they are actively engaged with the content on the phone.