The miniSD Card is a removable and portable memory device intended for use in cell phones/mobile phones, digital cameras, MP3 players and many other gadgets. they are usually packaged with a miniSD adapter which enables compatibility with all devices equipped with a standard SD Memory Card slot. The miniSD cards is often confused with the microSD card which is another, smaller, SD derivation. The microSD card may be used in miniSD devices through use of an adapter, but miniSD cards may not be used in microSD devices.