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    Concept of nano LED watch. Big hole is a hours, middle is a minutes, small is a seconds. The watch consist of carbon nanotube film. This material… Read More
    Concept of nano LED watch. Big hole is a hours, middle is a minutes, small is a seconds. The watch consist of carbon nanotube film. This material can generate electricity using shaking, solar power or daylight, warming and wind. Read Less
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Concept of nano LED watch. Big hole is a hours, middle is a minutes, small is a seconds. The watch consist of carbon nanotube film. This material can generate electricity using shaking, solar power or daylight, warming and wind.