Transfer files between OTG-enabled Android smartphones and tablets and PC and Mac computers 32GB, 64GB or 128GB additional storage for Android smartphones and tablets Sleek retractable design with both micro-USB and USB 3.0 connectors High-speed USB 3.0 performance transfers files from the drive to your computer at up to 150MB/s Free up space on your OTG-enabled Android smartphone to add more photos, videos, and songs Use SanDisk Memory Zone application (available on Google Play) to easily manage and backup files on your Android device Compatible with most Android devices