The sandisk ultra dual drive m3.0 makes it easy to free up space on your otg-enabled android smartphone and tablet(1). with a micro-usb connector on one end and a usb 3.0 connector on the other, the drive lets you move content easily between all your devices & mdash ;from your android smartphone or tablet to your laptop, pc or mac computer(1). the high-performance usb 3.0 connector is backward-compatible with usb 2.0 ports and, with speeds of up to 150mb/s*, it allows you transfer a full-length movie to the drive faster than with a standard usb 2.0 drive(3). this flash drive for your android devices includes the sandisk memory zone app for automatic camera roll backup and easy file and media management(2). | *(32gb-256gb) read speeds from drive to computer up to 150mb/s. (16gb only) read speeds from drive to computer up to 130mb/s. write speeds lower and vary by drive capacity. usb 3.0 port required. based on internal testing; performance may be lower