Sound-reactive LED Light Bars
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These neat desktop gadgets add a splash of color and light anywhere you have sound. Each one of these LED light bars can respond with colorful light show using a built-in microphone and can be set to different color schemes using a smartphone app. We found a variety of these for sale on Amazon and AliExpress.
Original source: https://theawesomer.com/sound-reactive-light-bars/649240/
