A. This is a multi-functional accessory specifically designed for pocket cameras. It is a protective border and casing suitable for specific models and also has the expansion function of an adapter base. B. In terms of design, it fits closely with the camera, providing all-round protection for the camera and preventing damages such as scratches and collisions that may occur in daily use, thus enhancing the camera's safety. The expansion function of its adapter base is ingeniously designed, which can greatly enrich the usage scenarios and methods of the camera, giving you more possibilities when shooting. C. In terms of usage, the protective casing part can provide reliable protection when carrying and using the camera, so you don't have to worry about the camera being damaged due to accidents. The expansion function of the adapter base can connect various external devices, such as tripods and microphones. Whether it is for stable shooting or improving the audio effect, it can be easily achieved. D. With it, you can use the camera for shooting and creation more conveniently and efficiently, significantly enhancing your shooting experience.