Usually, an SD card reader is not very heavy and the size of it is small. Besides, it supports reading & writing data and allows the access to SD card files.Īctually, a card reader is specially designed to share information on SD card conveniently. It's an external device with corresponding SD card slot and USB interface. Well, SD card reader is a kind of device used specially for reading SD card. It is now widely used in digital camera, DV, MP4, MP3, PDA and smart phone. And it is favored and used by a lot of people due to its excellent characteristics of small size, fast data transfer and hot swap.Īt present, SD card is the most common memory card on the market. As a new type of storage device based on semiconductor flash memory, SD (Secure Digital) memory card is produced to increase the capacity of digital devices.
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