This USB desktop air purifier is designed to captures and reduces particles in the air, including dust, pet dander, pollen, odor etc, making it an essential for any bedroom or office. With three adjustable wind speeds, it can provide gentle, refreshing, or powerful purification to suit various needs, perfect for small rooms, dorms, and travel. Features -Noise level: Below 36dB -Air purifier air volumes: 51-150 cubic meters/hour -Power supply: USB -Applicable area: 41square meters (inclusive) - 60square meters (inclusive) -Rated power: 5W -Air volumes level: Adjustable from 1 to 3 levels -Color:White -Material:ABS -Size:25.50X13.50X13.50cm/10.02X5.31X5.31in -Compact and portable design: this mini desktop air purifier is perfect for small spaces like dorm rooms, bedrooms, and offices, providing clean air wherever you need it -Efficient air filtration: equipped with a pleated filter, this air purifier for dust and smoke effectively reduce particles, allergens, and odors for a healthier environment -Usb powered convenience: the USB air purifier features a type-c interface, allowing you to power it with a laptop, power bank, or adapter, ideal for travel and dorm essentials -Adjustable fan speeds: with three adjustable fan speeds, this quiet air purifier for home adapts to your needs, providing gentle airflow for bedrooms or stronger purification for smoke filled areas -Large air intake design: the wide air intake ensures efficient filtration of odor, nice for new homes, bedroom and bedroom use Package list: 1 x Air purifier 1 x USB cable