Ferrofluid is a lot of fun to play with. A bunch of companies have used it to come up with interactive speakers with magnetic fluid that dances to the beat of your music. Take the sovenomund Dancing Ferrofluid Speaker for instance: it has a panoramic view and puts on a mesmerizing show as you play music.
This cool speaker has a 3000mAh battery that lasts up to 8 hours. It also has a light with 4 adjustable colors. These speakers are durable but make sure you don’t expose them to high temperatures or sunlight.
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