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The Now Portable USB Oil Diffuser is a small, BPA-free ultrasonic diffuser that runs on USB power and provides up to 6 hours of continuous mist. It comes with a carrying case, making it easy to use at home, in the office, or while traveling. Its compact size and color-rotating light are convenient, but the small tank means frequent refills. Compared to larger diffusers, it offers portability but lacks features like timers or adjustable mist levels.
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Lowest price we've seen: $19.19 on Nov 10 at Walmart. Tracked across 3 stores since Nov 10.
Reviewers appreciate the portability and ease of use, often using it in small spaces like offices or while traveling. However, some find the tank capacity limiting and wish for more control over the light and mist.





