RE: coffee cup speaker - Boost the sound of you muisc

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coffee cup speaker - Boost the sound of you muisc

in steemhunt •  6 years ago 

Brilliant idea to use coffee cups as speakers, but I doubt about the durability though.
If they can improve it to output a coffee aroma while we're playing music, that will be more awesome 👍

steemhunt
6 years ago by

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