In the video, a person is seen holding a black computer mouse and a black USB cable. The person is demonstrating how to connect the USB cable to the mouse. The mouse is placed on a white surface, and the USB cable is shown being inserted into the mouse. The person's hand is visible, and they are using their fingers to manipulate the mouse and the cable. The video is shot in a well-lit room, and the focus is on the mouse and the USB cable.