USB device class
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USB device classA 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. See USB device and USB.
Device ClassTypical Use Audio Sound cards Battery Charging Communications Modem, network Human Interface Keyboard, mouse Still Images Photo transfer (see PictBridge) Power Power via USB Printer Printing Mass Storage USB storage drive Media Transfer Music transfer (see MTP) Hub USB hub Video Camera Wireless Bluetooth
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