The video shows a person's hands holding a black and yellow object. The person is using a soldering iron to solder wires to the object. The object appears to be a small electronic device, possibly a battery or a circuit board. The person's hands are steady, and they seem to be experienced in soldering. The soldering iron is red and black, and the person is using a soldering iron stand to hold it steady. The background is a plain surface, possibly a table or a workbench.