USB is an acronym for Universal Serial Bus. It is an industry standard for connecting and transferring power and data. USB comes in many plug types such as: A, B, C, mini, and micro. USB ports and plugs are utilized in both large and small devices from printers to mobile phones. USB is used to connect devices to transfer data and charge them.
The USB standard is constantly upgrading. Current iterations of USB are now at 3.2 versions, which have 20Gbit/second transfer speeds.