The video shows a person's hands holding a green brush and using it to clean the inside of a phone. The phone is open, revealing its internal components. The person is meticulously cleaning around the edges and corners of the phone's interior. The video is shot from an overhead angle, allowing a clear view of the cleaning process. The person's movements are precise and careful, ensuring that all areas of the phone's interior are cleaned. The phone appears to be a modern smartphone, with a large screen and a sleek design. The green brush used for cleaning is small and appears to be specifically designed for cleaning electronic devices. The video does not contain any text or subtitles.