Many cell phones use microSD technology for storing information.
Cellular phones and other portable electronics have many features which necessitate the need for a removable memory storage device. Many of these devices have a slot labeled "microSD." This slot is for a memory storage unit known as a microSD card.
Memory
Regular microSD cards have a memory capacity of 2 gigabytes. microSD cards that have a memory capacity higher than 2 gigabytes are known as microSDHC cards. The use of microSDHC cards is only for devices compatible with this format.
Size
A microSD card is smaller than a miniSD or standard SD card. A microSD card measures 15 millimeters long by 11 millimeters wide by one millimeter thick, and weighs approximately 0.5 grams.
Adapters
Adapter cards are available, which a microSD card can fit into to transfer files to other types of storage units. Not all computers come equipped with a microSD card reader slot, therefore it may be necessary to insert the microSD card into a standard SD adapter card, which would be used with the computer's SD card slot.
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