1) A small, removable flash memory card 2) Used in mobile phones for the storage of content, images, video and music 3) It also has an adapter to make it interoperable with other MMC based devices. 4) High storage capacity 5) Non-volatile solid-state; no moving parts maximizes battery power. Data is not lost when power is turned off 6) Operating shock rating of 2,000Gs, equivalent to a 10-foot drop to the floor 7) Compatible with all digital music players, digital camcorders, handheld PCs, mobile phones and other devices that feature a Multi Media Card-compliant slot 8) Dimensions: 18x24x1.4 mm