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 depending upon host device. 1MB=1,000,000 bytes. | **1GB=1,000,000,000 bytes. Actual user storage less. | (1) Requires device with On-The-Go (OTG) support. | (2) Download and installation required. | (3) Based on a 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors.