In the video, we see a person's hand holding a smartphone. The person is using their thumb to scroll through the phone's screen. The phone appears to be an iPhone, and the screen displays various app icons. The person's hand is visible, and they are wearing a black jacket. The background is not clearly visible, but it seems to be an indoor setting. The person's thumb movement is smooth and continuous, indicating that they are comfortable with the device. The phone's screen is bright and clear, and the person's thumb is in focus.