A USB adapter is a small device that allows different types of devices to connect through a USB (Universal Serial Bus) port. It can convert one type of USB connection to another, such as from USB-C to USB-A, enabling compatibility between various gadgets like smartphones, laptops, and peripherals. These adapters are useful for transferring data, charging devices, or connecting accessories like keyboards and mice. They come in various shapes and sizes, making it easy to find one that fits your needs. Overall, a USB adapter enhances connectivity and functionality in our increasingly digital world.