The video shows a close-up of a person's hand using a soldering iron to apply solder paste to a small, purple circuit board. The board has several yellow and white components attached to it. The person's hand is steady as they carefully apply the solder paste to specific areas of the board. The solder paste is a shiny, metallic substance that is used to connect electronic components on a circuit board. The video is shot in a well-lit room, and the focus is on the person's hand and the circuit board.