The SanDisk Mobile Micro SDHC Card provides a reliable performanceunder varied shooting conditions. It boasts of 4 GB memory to accommodateyour high-quality audio and video files. The SanDisk 4 GB micro SDHCcard is Class 4 rated and offers you with optimal read and writespeeds to save your precious time. It works with all micro SDHC compatibledevices. With the included SD adapter, you can easily use it evenwith SD-enabled devices to transfer files from PCs and more.