The video shows a person using a hot glue gun to apply glue to a small electronic device. The device is placed on a wooden surface, and the person carefully applies the glue to the device's surface. After the glue is applied, the person picks up a small battery and places it on top of the device. The battery is connected to the device with wires, and the person ensures that the battery is securely attached to the device. The video focuses on the process of attaching the battery to the device, highlighting the precision and care taken to ensure a proper connection.