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VOICE CARD / portable external battery

VOICE CARD
VOICE CARD

Mobile devices are the most familiar and indispensable aides in modern life, and any mobile device needs to use the "electricity" as a source of energy.
“VOICE CARD” use the technology of sonicare-electric energy conversion, and collect the sound filled in life in a small size of card for easy carrying.
It won’t have trouble to carry the battery and charger no longer, as long as proper use of energy conversion. It can easily to provide electricity in any environment. Use renewable energy, and also make a contribution to Earth.

University

National Yunlin University of Scien

National Yunlin University of Scien
Creative Design
Douliou, Yunlin, Taiwan

Design

National Yunlin University of Scien

National Yunlin University of Scien
Creative Design
Douliou, Yunlin, Taiwan

Yu Wen, Cheng