Removable storage medium that allows data to be written and erased as many times as is required with a micro usb connection for smartphones and tablets ideal as external memory compact stick with an unobtrusive grey aluminium casing with a cap for both connections suitable for terminal devices with a usb interface and a micro usb interface system requirements operating system windows 1087vistaxp and macos 9x or higher hostotg compatible smartphones and tablets with android operating system as of