In this video, a person is holding a phone in their hand and using their thumb to swipe across the screen. The phone appears to be a smartphone with a black case. The screen of the phone is brightly lit, and the person's thumb is moving quickly across the screen, suggesting that they are either typing or browsing. The background is not visible, and the focus is solely on the phone and the person's hand. The video does not provide any additional context or information about the person or the phone.