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Ciao / hello

Ciao

When we listen to the music with the headphone, we can’t hear what the others said usually, it’s so much impolite, this concept is designed for solving this problem.
When someone call you, the circular progress will rotate with the volume up, and he will know if you can hear while the circular progress is filled with the blue colore .

University

南京艺术学院

南京艺术学院
南京, China

寅瑄 周,
南京艺术学院