Quickly and easily transfer your files between otg enabled android smartphones and tablets and pc and mac computers free up space to add more photos videos songs and other stuff simply connect the sandisk ultra dual usb drive 30 to the micro usb port of your android device and move the content to the drive quickly transfer files at up to 150mbs from drive to computer with the high speed usb 30 connector spend less time waiting to transfer a full length movie to the drive than with a st