The microSD is about a quarter of the size of an SD card and is the newest standard of SD flash memory specifically designed for use with ultra-small mobile phones and other devices. Like the miniSD, the microSD/TransFlash is ideal for use in storing media-rich files such as music, videos, and photographsin compatible mobile phones.
The Kingston Technology 4GB Class 4 SDHC is commonly used for Portable images/multimedia, Storing images/multimedia and more.The Kingston Technology 4GB Class 4 SDHC is most used by customers who consider themselves to be a Casual user, Enthusiast among others.The Kingston Technology 4GB Class 4 SDHC is popular because customers like the following qualities of the Kingston Technology 4GB Class 4 SDHC: Easy to use, Great value, Large capacity, Lightweight, Reliable and Writes/reads fast