This 2GB Secure Digital (SD) card is a highly secure, stamp-sized memory card. It can be used in a variety of SD enabled digital products, including many digital music players, cellular phones, handheld PCs (HPCs), digital cameras, digital video camcorders, smart phones, car navigation systems and electronics. Nonvolatile solid state; no moving parts maximizes battery power. Data is not lost when power is turned off. Low battery consumption to maximize battery life in small portable devices. User selectable mechanical write protect switch on the exterior card housing.