Multifunctional watch
During the day time, telling the time through a watch is very convenient, but at night time, due to no light, telling the time is always very inconvenient. The utility model provides a multifunctional watch, comprising a watch base, a display screen, a control circuit, a button, a speaker, and a vib...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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