In the video, a person is seen holding a black smartphone in their hand. The person is using the phone to interact with a yellow machine that has a black box attached to it. The person's hand is visible, and they are pressing buttons on the machine. The machine appears to be some sort of control panel or interface. The person's actions suggest that they are operating or controlling the machine using the smartphone. The video does not provide any further context or information about the machine or the person's actions.