What is the USB Composite Device Windows Driver?

A USB Composite Device is a type of device that combines multiple functions into a single USB connection. For example, a printer that also includes a scanner, a camera with a microphone, or a smartphone that supports both data transfer and charging through the same USB port. These devices typically require a composite driver, which is a driver that can handle multiple functions simultaneously.

In Windows, the USB Composite Device driver manages devices that are designed to support multiple functionalities over a single USB connection. These devices may use different protocols to communicate with the computer, so the driver allows Windows to handle all of these functions correctly.