SanDisk Ultra Dual 64GB USB 3.0 OTG Pen Drive (Gold) Size name:64GB   The SanDisk Ultra Dual Drive m3.0 makes it easy to transfer content from your phone to your computer. 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 your devices-from your AndroidTM smartphone or tablet to your laptop, PC or Mac computer1. The USB 3.0 connector is high-performance and backward-compatible with USB 2.0 ports. The SanDisk Memory Zone app2 for Android (available on Google Play) helps you manage your device's memory.