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A sunlight speaker which is charged by attaching it on the window.
It is attached through the pressure created while folding and unfolding the speaker.
The speaker which receives sunlight becomes charged.
Once charging is completed, lock is loosen and it is folded into desired angles.
After connecting the mobile phone, it is used as a docking speaker.
Cheongju University
Cheongju-si, South Korea
Cheongju University
Cheongju-si, South Korea