Verbatim On-The-Go adapter plus NANO USB Drive is small and convenient to use in tablets and smartphones that support USB OTG. It's a fast and efficient way to transfer files from one device to another, without a PC.USB On-The-Go enables portable devices and non PC hosts to communicate directly. For example, a tablet or smartphone equipped with USB OTG can communicate with a USB Drive. Plug the micro USB adapter into the devices micro USB slot and then plug the USB Drive into the adapter. Files can then be transferred from the USB Drive onto the tablet or smartphone and vice versa. The smartphone or tablet must be OTG compliant to be compatible.The Verbatim NANO USB Drive can also be used as a standard USB Drive.