Universal Serial Bus (English: Universal Serial Bus, abbreviation: USB) is to connect the computer system and peripheral equipment of a Serial Bus standard, is also a kind of input/output interface specification, is widely used in personal computers and mobile devices, such as information and communication products, and expand to photographic equipment, digital TV (STB), game consoles and other related fields. The latest generation is USB 3.1, with speeds of up to 10Gbit/s.