High Quality Content by WIKIPEDIA articles! USB On-The-Go, often abbreviated USB OTG, is part of a supplement to the USB 2.0 specification originally agreed upon in late 2001 and later revised. The specification allows for devices that generally fulfill the role of being slave USB device (which might be, e. g. digital audio player or mobile phone) to a USB host (usually a desktop or notebook computer) to become the host themselves when paired with another USB device. The latest version of the supplement also defines behavior for an Embedded Host which has targeted capabilities and the same USB Standard-A port used by PCs. Examples of OTG devices include the Nokia N810 Internet Tablet and the Meizu M6 miniPlayer and at least three BenQ optical media recorders. Each of these devices can use their OTG support to copy files off USB mass storage devices, such as a key drive or many cameras and mobile phones. The N810 Internet Tablet can also use its ports to connect to traditional desktop keyboards and a number of other devices. Devices that support Back-to-Back OTG connections can connect to each other directly, with either device assuming the role of the USB host.

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