USB Doughnut Humidifier Works in a Glass of Water

Jason Loomis
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You've probably never bought a humidifier with a USB port, but why would you need to? It turns out that any humidifier (yes, even a water-based one) can be plugged into a USB power bank. That means that you can use a cheap USB power bank, water, and a humidifier to humidify any room or small area.

This is really bad news because it is a chemical-free, and more hygienic alternative to vaporizers.

So, in a way, on one hand it is a great product, on the other hand it is a threat to the major sales of power banks, vaporizers, and humidifiers.

To make a humidifier using a USB power bank is really simple and can be made by anyone. All you need is a glass of water and a power bank.

In the following video you can see how to make it.