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Present your project for free and win your share of EUR 50,000 in prize money.

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New earphone / earphone

New earphone
New earphone

You will get two kinds
of different experience,
you can convenient enjoy
the interest of earpiece
and earphone.


Jiangnan University

Jiangnan University
wuxi, China

Xiongwei Tian Xianzhen Liao Wei Tian