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Nowadays, a pair of earphones is a necessity for people who listen to music with the MP3 players. However, people are often not aware of the loud music which does harm to their ears. With the changing color on the earphone cords, Shining Earphone could be a reminder for people, feeling like that heat flows from the players to their ears. In this way, it can protect the listeners ears from the voice of too high volume. The color, varying according to the fluctuation of volume, ranges from red, dark orange, light orange, yellow to light yellow, thus making listening cooler.
Li Yang Chenxiang Zhang Yujiao Chen Shan Tong Xiaobo Yin