In the video, a person is holding a small electronic device with wires attached to it. The device appears to be a circuit board with a green circuit board and a red plastic casing. The person is using a soldering iron to connect the wires to the circuit board. The soldering iron has a black handle and a silver tip. The person is using the soldering iron to melt solder and connect the wires to the board. The background is a wooden surface with two small holes.