The video shows a person's hand holding a small electronic circuit board with a red light on it. The person is using a tool to adjust a component on the board, and then they pick up the board to show it to the camera. The board has several other components, including a black component and a silver component. The person's hand is visible throughout the video, and they are wearing a ring on their left hand. The background is a gray surface, and there is a pen and a white object with a colorful logo on it.