In the video, a person is using a blue and black electric clipper to trim the teeth of a dog. The dog has its mouth open, and the person is holding the clipper with one hand and the dog's mouth with the other hand. The clipper is being moved back and forth across the dog's teeth to trim them. The person's nails are painted with a light purple polish, and they are wearing a ring on their finger. The dog appears to be calm and cooperative during the process.