http://www.intomobile.com/2014/02/13/easiest-way-transfer-media-files-smartphonetablet-computer
The SanDisk Ultra Dual USB Drive comes with a regular USB port on one hand, and a microUSB one – on the other. So when you want to move some files from your mobile device, simply connect the SanDisk’s device to a microUSB port and copy all the photos and videos you want. Then, connect the same device using a regular USB port to a computer and make a local copy of those files.
The SanDisk Ultra Dual USB Drive comes with a regular USB port on one hand, and a microUSB one – on the other. So when you want to move some files from your mobile device, simply connect the SanDisk’s device to a microUSB port and copy all the photos and videos you want. Then, connect the same device using a regular USB port to a computer and make a local copy of those files.