A MicroSD card is a small, portable storage device used to save and transfer data. It is commonly found in devices like smartphones, tablets, and cameras. With its compact size, a MicroSD card can hold a significant amount of information, ranging from photos and videos to apps and music. These cards come in various storage capacities, typically from 2GB to 1TB or more. They are easy to use; simply insert the card into a compatible slot on your device. This makes it simple to expand your device's storage or transfer files between different gadgets, enhancing your digital experience.