In the video, a person is seen holding a green circuit board in their hand. The board is covered in various components, including resistors, capacitors, and integrated circuits. The person is using a soldering iron to work on the board, carefully applying solder to connect the components. The soldering iron is visible in the person's hand, and they are using it to melt solder and apply it to the connections on the board. The person's movements are precise and deliberate, indicating a high level of skill and attention to detail. The video provides a close-up view of the soldering process, allowing viewers to see the intricate details of the work being done.