The 16gb sandisk ultra dual usb drive makes it easy to transfer files between mobile devices and to free up more space for more of your favourite multimedia content the drive acts as additional storage for your android smartphone tablet pc or mac computer you can have your favourite files always with you the sandisk ultra dual usb drive couldnt be easier to use it comes with two connectors a micro usb and a usb 20 neatly placed one at each end of the drive theres no need to worry