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It would be not easy and convenient everytime when we find USB port on the laptop,which is due to the position cannot be seen directly.Sometimes it can be rough while the user needs to do something urgently.However,a little change of the laptop could solve the problem very directly.
Xiamen University of Technology
Xiamen, China
Qian Cao,
Xiamen University of Technology
Yiming Zhai,
Xiamen University of Technology