The video features a dark background with a multitude of small, bright particles that appear to be floating or moving in a random pattern. The particles are predominantly blue and white, with some hints of other colors. The video also includes text that reads "TEDx HanRiver" in a bold, sans-serif font. The text is white with a slight shadow effect, making it stand out against the dark background. The video does not contain any other discernible objects or actions.