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This is a badminton with a LED light. There is piezo elements inside to recharge the battery by converting impact energy into electric. During we play that badminton the battery will get enough energy. This badminton can be play at dark night and also can be used as a lamb, which will bring us so much fun when we are camping and stay overnight. It is also help areas of power shortage.
Jian Chen，Mingming Wang, Kunpeng Wang，Xiumin Lin，Hanchao Li，Yang Li，Lingyan Xie，Jingwen Yu，Yuan Gao，Peinv Xu，Yiyun Xu ，Pan Wang