In the video, a person is seen using a soldering iron to solder a wire onto a red circuit board. The board has various components and markings on it. The person's hand is steady as they carefully apply the solder to the wire and board. The soldering iron has a silver-colored tip, and the wire being soldered is thin and black. The person's movements are precise and controlled, indicating experience with soldering. The video provides a close-up view of the soldering process, allowing viewers to see the details of the soldering technique.