In the video, a person is holding a black computer mouse in their hand. The mouse has a scroll wheel and two buttons on top. The person is moving the mouse around, demonstrating its functionality. In the background, there is a black keyboard on a desk. The person's hand is visible, and they appear to be right-handed. The mouse is being moved in various directions, and the person's thumb is clicking the buttons. The keyboard is stationary and there are no other objects visible in the video.