A microSD 카드 is a small, portable storage device used to expand the memory of various electronic devices, such as smartphones, tablets, and cameras. It is a type of SD 카드 (Secure Digital card) that is designed to be compact, making it ideal for devices with limited space. MicroSD cards come in different storage capacities, ranging from a few gigabytes to several terabytes, allowing users to store photos, videos, and other data. These cards are widely used due to their versatility and ease of use. They can be easily inserted and removed from devices, and many come with an adapter that allows them to fit into standard SD 카드 slots. MicroSD cards are also commonly used in drones, gaming consoles, and action cameras, making them a popular choice for anyone needing extra storage.