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Visnal USB flash disk / Industry/Skilled Trades

Visnal USB flash disk
Visnal USB flash disk

Visnal USB flash disk has a displaysceen which can show the files in the USB flashdisk so that the users can useless time to find the file that they want yo find what`s more.It can use fingerprint lock the important files.It`s more becanty and freedom delete the unuseful files.It`s operalionally simple.

University

Shandong University of Science and Technology

Shandong University of Science and Technology
Qingdao, China