We are trying to reuse some environmental materials to make our CREG Box which can be tied around our waist or arm like a small waist bag.
式宏十萬伏特 已完結
把步行或做運動時所產生的動能，轉為電能後儲存在CREG BOX內，為其他電子產品或電器供電。 CREG: Cycling or Running for Electricity Generation
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