USB On-The-Go enables portable devices and non PC hosts to communicate directly. For example a tablet with USB OTG can communicate with a USB Flash Drive. For this to happen the device (host) itself has to be OTG compliant.
Verbatim On-The-Go adaptor plus Nano USB Drive is small and convenient to use in tablets and smartphone's that support USB OTG. It’s a fast and efficient way to transfer files from one device to another, without the requirement of a PC.
The Nano USB Drive can also be used as a standard USB drive.