100 Adjustable Speeds & Digital Display - Coolhill Desk fan with 1 - 100 adjustable wind speeds. Short press to adjust the speed 1-20-40-60-80-100 levels. Negative Ion Mode - 2-In-1 high capacity ozone machine generator, Combining ozone and negative ions, it can not only effectively remove odors but also adsorb fine dust, deeply purifying the air.
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