The USB connector is the physical component of the USB interface, establishing electrical connections between devices through the mating of plugs and receptacles. It adheres to the USB standard protocol, supporting the transmission of various signal types including data, audio, and video, while also providing power delivery functionality.

The USB product series primarily includes: USB Type-A connectors, USB Type-B connectors, USB Type-C connectors, mini USB connectors, and micro USB connectors.The Type-C interface represents a comprehensive upgrade in form factor, functionality, and user experience for USB ports, occupying a central position within the USB ecosystem.

Due to its standardization, high-speed data transfer capabilities, and power delivery features, the USB interface has become one of the most widely adopted interfaces in modern electronic devices. Its applications span multiple sectors including consumer electronics, industrial equipment, medical devices, and automotive systems.