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 smartphones that support usb otg its 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