In the video, a man is seen wearing a yellow jacket and holding a syringe. He appears to be speaking to the camera while manipulating the syringe. The background is blurred, but it seems to be a laboratory or medical setting. The man's expressions and gestures suggest that he is explaining something related to the syringe. The syringe itself appears to be a standard medical syringe with a clear barrel and a plunger. The man's actions are deliberate and precise, indicating that he is demonstrating a specific technique or process.