In the video, a person is using a soldering iron to work on a circuit board. The board is placed on a blue surface, and there is a light shining on it from above. The person is wearing a white shirt and is holding the soldering iron in their right hand. They are carefully applying solder to the board, and the iron is emitting a small amount of smoke. The person appears to be experienced in using the soldering iron, as they are moving it with precision and control.