The Sirui QR40 Mini Foldable Softbox (15.7") is a compact, quick-setup lighting accessory designed specifically for the Sirui C150X Pocket LED Light. Mount this QR40 mini softbox on SIRUI C150X pocket light to help transform hard light into beautiful soft even light, ideal for portrait, live streaming, product shooting, etc. Features: Softens and diffuses light to create smooth, even illumination-ideal for portraits, product photography, and live streaming. Octagonal design delivers natural-looking catchlights and balanced light spread. Quick setup and breakdown with a pull-out tab and release chuck-no complicated assembly required. Hook-and-loop attachable grid included for precise control over light direction and spill. High-density diffusion fabric ensures professional-quality light output. Lightweight and portable, weighing just 550g (1.2 lb), with a folded size of 16.1" x 5.9" x 2.8". Secure mounting to the C150X via a press-and-rotate mechanism for fast attachment.