In the video, a person is holding a smartphone in their left hand and a stylus in their right hand. The person uses the stylus to navigate through the phone's home screen, which is filled with various app icons. The person then uses the stylus to open the phone's calculator app and begins to type a number into it. The person's movements are smooth and precise, indicating that they are comfortable using the stylus. The phone's screen is bright and clear, and the app icons are colorful and easy to identify. The stylus appears to be a standard size and shape, with a white body and a black tip. Overall, the video demonstrates the functionality and ease of use of a stylus with a smartphone.