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Based on the traditional U-disk , this design added a display of capacity information.When users unplugged the lid, the display shows automatically. Users can understand the current ratio of the remaining capacity at any time and any where, without the need for other devices . To a certain extent , it improves the working and learning efficiency. Built-in lithium battery provides power to the display can be charged when U-disk accessing external devices.
Zhu Chunxiao Zhou Fei