The fuji 16gb micro sdhc class 4 memory card is designed for digital camera users who need lots of capacity and fast write speeds nowadays most cameras come with a high number of megapixels and are equipped with continuous shooting and movie modes thus requiring a card that can keep up with the demands these features put on them the microsd is about a quarter of the size of an sd card and this flash memory is specifically designed for use with ultra small mobile phones and other devices the