Eco Factor: Concept MP3 player generates renewable energy.
The brainchild of industrial designer YuKwang Kang, the Walnut Player is a concept MP3 player that can be “walled rolled” to charge. The device features two spherical objects, which when rolled in your hand, generate renewable electricity to charge onboard battery.
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The player has been designed for the visually impaired and anyone else who wants to enjoy sustainable tunes. The device works with Braille writing and features a single button and finger-pressure movement applied along the device generates energy. The movement is also utilized to change tracks and speaker volume.
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Via: YankoDesign
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