USB device class - technical definition

A type of peripheral device that plugs into a USB port. Defined by the USB Implementers Forum, device classes provide the specifications for a standard set of drivers for common peripherals. If a peripheral does not conform to one of the standard classes, it must include its own device driver for the operating system. Following are the standard classes. See USB.

   Device Class         Typical Use

   Audio                Sound cards
   Communications       Modem, network
   Human Interface      Keyboard, mouse
   Still Image Capture  Still camera (see PTP)
   Printer              Printer
   Mass Storage         Drive with file system
   Hub                  USB hub
   Video                Camera
   Wireless             Bluetooth