The second-generation sandisk ultra dual drive usb type-c family of usb flash drives includes models with 16 gb, 32 gb, 64 gb and 128 gb of nand memory. The drives offer transfer speeds up to 150 mb/s and are compatible with all devices featuring usb-a and usb-c receptacles. Furthermore, they are also compatible with sandisk’s memory zone app for google android to manage and backup content on devices running the os.