USB socket connector

Universal Serial Bus (English: Universal Serial Bus, abbreviation: USB) is a serial port bus standard and a technical specification of input and output interfaces. It is widely used in personal computers, mobile devices and other information communication products, and has been extended to photographic equipment, digital TV (set-top box), game consoles and other related fields. The latest generation is USB4, with transmission speed of 40Gbit/s, three-phase voltage of 5V/12V/20V, and maximum power supply of 100W. The new Type C interface allows forward and backward blind plug.