A constant stream of negative ions traps polluted air and contaminants, releasing clean air into the environment. Reduces odors, freshens the air, and absorbs volatile airborne pollutants. Removes airborne pollutants such as dust, fumes, pollen, odors, fibers, smoke, soot, and other microscopic particles. The permanent filter is easy to clean. Specifications: Applicable space: 30-40 square meters Rated power: lower than 2W Rated voltage: AC 110V-220V / 50Hz Plug Type: US Plug, suitable for use in Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan, and other compatible regions. Plug Type: EU Plug, suitable for use in Indonesia, Germany, France, Spain, Italy, and other compatible regions. Color: Black Material: Plastic Size: 6 x 9 x 32 cm Package Contents: 1 x Air Purifier (with US Plug) 1 x EU Adapter 1 x User Manual Note: This product is an ionizing air purifier, not a USB electric fan. Please note the difference. The package includes only the items listed above; other accessories are not included. Due to lighting and display differences, the color of the item in the image may vary slightly from the actual product. Measurement error allowance: +/- 1-3 cm.