... Competetive Price 4.Manufacture USB (Universal Series Bus) is a computer industry standard developed by corporations like Compad, Intel, Microsoft, NEC and ... , keyboard, mouse, scanner, digital camera and so on. USB owns the functions of plugging and operation simultaneously, and pulling ... reach 127 devices connections. There are five types of USB connectors; USB A, USB B, Mini B, Micro B, Mini A, and ...