In the video, a person is seen using a soldering iron to work on a circuit board. The person is using the soldering iron to apply heat to a specific area of the board, likely to melt solder and create a connection. The person's hands are visible, and they are wearing a white shirt. The circuit board is black and has several small components attached to it. The soldering iron has a silver-colored tip and a black handle. The person's movements are precise and careful, indicating that they are experienced in working with electronics.