In the video, a person is seen holding a small electronic device with a battery attached to it. The person is using a soldering iron to connect wires to the device. The device appears to be a small circuit board with various components attached to it, including a coil and a capacitor. The person's hands are steady as they work on the device, and the soldering iron is used with precision to connect the wires. The background is a wooden surface, and the lighting is bright, allowing for clear visibility of the person's actions.