The video shows a person wearing a snorkeling mask and snorkel, swimming in a body of water. The water is clear and the person is moving slowly, allowing us to see the details of the mask and snorkel. The mask is white with a blue trim, and the snorkel is also white with a blue trim. The person is wearing a black wetsuit, and we can see their arms and legs moving as they swim. The water is calm, and there are no other objects or people visible in the video.