Micro SD card is mainly used in mobile phones now, but because of its small size and increasing storage capacity, it has been applied to GPS devices, portable music players and some flash drives.
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The volume of Micro SD card is15 mm x11mm x1mm, which is almost equal to the size of fingernail. It is the smallest memory card at present, and can also be connected to the SD card slot through the SD adapter.
SDA Association was originally named Trans-flash Card, and was officially renamed Micro SD Card at the end of 2004. Before the launch of Micro SD, mobile phone manufacturers used embedded memory. Although the installation of this module is simple, there is a trouble that it can't meet the actual demand of the trend-the capacity is limited.
There is no room for upgrading. Micro SD imitates the application mode of SIM card, that is, the same card can be used on different types of mobile phones, so that mobile phone manufacturers do not have to worry about plug-in R&D design;