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Mute Earplug / Mute Earplug

Mute Earplug
Mute Earplug

This is a design that can help us avoid being disturbed when we are concentrating
on working or doing something.Making others know that you are busy now,so they
will come to you later if things are not urgent.


Zhejiang University

Zhejiang University
Hangzhou, China

Jun Hu,
Zhejiang University