U disk can not be inserted memory card.
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The USB FLASH drive (USB flash drive) is mainly composed of a shell movement (the movement includes a PCB USB master chip crystal oscillator patch resistor, capacitor USB interface patch LED (not all USB flash drives have) FLASH (flash) chip).
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Usb flash drives usually use ABS plastic or metal housing and contain a small printed circuit board inside. Only the USB connector protrudes out of the protective case and is usually covered by a small cover.
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Most USB sticks use a standard Type-A USB connector, which allows them to plug directly into A USB port on a personal computer. To access the data on the flash drive, the drive must be connected to a computer.