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Gemini / Serving the elderly


With the rapid changes of the times and the continuousprogress of science and technology, smart phones have basically become a modern necessity. However, many elderly people are not used to the change from button phones to smart phones.design a mobile phone accessory, which can make the mobile phone switch between the smart phone and the key phone, and can interact with the system.


Gengdan Institute of Beijing Univer

Gengdan Institute of Beijing Univer
北京, China

羽龙 曾,