| 摘要 |
The present invention provides a first memory card, a memory card adaptor and a memory device combining the first memory card and the memory card adaptor. The first memory card has dual interfaces for the host, wherein one interface is the USB interface and dual interface contact pads are respectively arranged on different surfaces and different ends of the first memory card. The first memory card adaptor has an appearance of a second memory card and has the corresponding connecting structure for fixing the first memory card. Once the memory device is in the USB mode, the user can directly extract the memory card or just partially extract the memory card to expose those USB contact pads. Further, the memory card adaptor can hold the first memory card without loosening while partially extracting from the insertion port of the memory card adaptor.
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