The video shows a person's hands holding a black device with a battery inside. The person is using a soldering iron to connect wires to the battery terminals. The device appears to be a small electronic device, possibly a remote control or a similar gadget. The person is wearing a ring on their left hand. The background is a wooden surface, possibly a table or a workbench. The soldering iron is silver and black, and the wires are red and black. The battery is black with a red label. The person's movements are precise and careful, indicating that they are experienced in soldering.