Fast transfer rate for reliable copydownloadbackup High storage capacity Non-volatile 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 casing Operating shock rating of 2000 Gs equivalent to a 10-foot drop to the floor Security level complies with both current & future Secure Digital Music Initiative SDMI portable device requirements