Amazon brings SanDisk Ultra Dual USB Drive 3.0, SDDD2 32GB, USB3.0, Black, USB3.0/micro-USB connector, OTG-enabled Android devices at Rs.689. Quickly and easily transfer your files between OTG-enabled AndroidTM smartphones and tablets and PC and Mac computers. Connect the drive to the micro-USB port of your Android device to move up to 64GB**1GB=1,000,000,000 bytes. Actual user storage less. of content to the drive. Then transfer files from drive to computer at up to 130MB/s**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. with the high-speed USB 3.0 connector.