USB ConnectorsUSB connectors are connectors that are used to connect devices that use the Universal Serial Bus (USB) standard for data transfer and power delivery. There are several different types of USB connectors, including Type-A, Type-B, and mini and micro versions of both Type-A and Type-B connectors. USB connectors are commonly used to connect computers, smartphones, and other devices to peripherals such as printers, keyboards, and external hard drives.