Easily free up space on your smartphone or quickly transfer files between devices at usb 31 high speeds of up to 150mbs 32gb 128gb with a reversible usb type c connector and a traditional usb connector the sandisk ultra dual drive usb type c lets you quickly and easily transfer files between smartphones tablets and computers plus the sandisk memory zone app for android available on google play helps you manage your devices memory and your content the sandisk ultra dual drive usb typ