Kingston datatraveler microduo 32gb flash drive usb otg on the go kingston39s datatraveler microduo provides additional storage in a small convenient form factor for tablets and smartphones that support the usb otg on the go functionality the usb otg standard allows mobile devices to directly connect to supported usb devices datatraveler microduo allows microusb ports often used for charging devices to be used as expansion ports for up to 32gb of additional memory ideal for storing large