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At present,as a Information storage tool,SD card is commonly used for camera phones and other electronic productsas.however,In the process of exporting data,sd card need a card reader which can connect with the computer terminal by a usb port.
SD/USB-CARD Combin with the sd card and usb.They share a memory chip.so SD/USB-CARD can export the information by usb port directly.as reducing the Action of conversion. the car Can be used more widely.
Yimin Zhou Zezhou Cai Yuliang Chen