The SD Card Association (SDA) has established SD Specification Version 2.0 for the SDHC (SD High Capacity) Memory Card, this means you can be assured that the card will be compatible with any SD-HC device, and also have a minamum sustained speed based on its class (these are Class 2: Standard, Class 4: High Speed, Class 6: Very High Speed).
* High storage capacity (4GB) for storing essential digital content such as high quality photos, videos, music and more.
* Optimal speed and performance for SDHC compatible devices.
* Built to last, with an operating shock rating of 2,000Gs, equivalent to a ten-foot drop
* Easily transfer files between your digital devices and computer.