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Smile U disk / Smile U disk

Smile U disk
Smile U disk

Because of U disk of positive and negative exterior design are the same, users often need to insert two times before they can insert the correct disk U.
Based on the U disc front of concave design, the first reaction users only need hand contact U disk can distinguish between positive and negative U disk, U disk to the right into the computer, data transmission.

University

Fuzhou University

Fuzhou University
xiamen, China

huang zhonggeng,
Fuzhou University