Ring Supplementary Lamp," which is a type of ring light used for live broadcasting, photography, self-portraits, and cosmetic purposes. These lights are designed to provide even illumination, reduce shadows, and create a flattering effect, particularly on the face. Key features include nonpolar dimming, adjustable brightness and color temperature, and portability. Ring lights are popular among content creators for their ability to produce soft, diffused light and distinctive circular catchlights in the subject's eyes.