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Multipurpose phone shell / Phone accessories

Multipurpose phone  shell

This is a multi-function mobile phone shell, it can be placed on the back of a key. People usually easy to remember bring mobile phone, but sometimes forget to key, this design can make people eliminate forgot to bring the keys.The most important are convenient to carry.

University

Kunming University of Science and Technology

Kunming University of Science and Technology
Kunming, China

Zhao Zhang,
Kunming University of Science and Technology

Yingshun Li,
Kunming University of Science and Technology

Jianjun Wu,
Kunming University of Science and Technology

Yali Wang,
Kunming University of Science and Technology