USB connectors are standardized interfaces used to connect various devices, such as computers, smartphones, and printers. They allow for data transfer and power supply between devices. There are several types of USB connectors, including USB-A, USB-B, and USB-C, each designed for specific uses and compatibility. The USB-C connector is the latest and most versatile type, featuring a reversible design that makes it easy to plug in. It supports faster data transfer rates and higher power delivery compared to older versions. Overall, USB connectors play a crucial role in modern technology by enabling seamless connectivity.