HEATDAZ 1800s air purifier features a three-stage filtration system, including a HEPA filter, pre-filter, and high-efficiency activated carbon filter, capable of capturing 99.97% of airborne particles as small as 0.3 microns, such as dust, smoke, pollen, and odors. It also comes with an aromatherapy function, allowing you to add 2-3 drops of your favorite essential oils to create a fragrant and relaxing environment. The one-touch control design makes it easy to switch between three speed settings and timer modes. This portable air purifier is ideal for bedroom use, user-friendly, efficient, and convenient. Additionally, it serves as a perfect gift for friends and family, suitable for occasions like housewarming parties, birthdays, and Valentine's Day.