The video shows a person's hands holding a small electronic device. The person is using a soldering iron to connect wires to the device. The device appears to be a small circuit board with several components attached to it. The person's hands are steady as they work, and they seem to be experienced with soldering. The soldering iron is heated to a high temperature, and the person uses it to melt solder and connect the wires to the device. The video is shot in close-up, so the details of the device and the person's hands are clearly visible.