C型 USB, or USB Type-C, is a universal connector standard used for data transfer and charging electronic devices. It features a reversible design, meaning it can be plugged in either way, making it more user-friendly than previous USB types. This connector supports various protocols, allowing it to connect to a wide range of devices, including smartphones, laptops, and tablets. Additionally, USB Type-C can deliver higher power levels, enabling faster charging and the ability to power larger devices, enhancing its versatility in modern technology.