The video shows a person holding a smartphone in their left hand and a smartwatch on their left wrist. The person is using the smartphone to control the smartwatch. The smartphone screen displays a user interface with icons and text. The smartwatch has a black band and a round face with a pink and black display. The person's right hand is visible, and they are wearing a black watch on their left wrist. The video shows the person tapping on the smartphone screen, and the smartwatch screen changes accordingly. The person then taps on the smartwatch screen, and the smartphone screen displays the smartwatch's data.