【3-Stage Filtration System】 Our air purifier features a pre-filter, true HEPA filter, and activated carbon filter. This 3-stage filtration system collects 99.97% of dust, pollen, pet dander, smoke, and odors, improving air quality and providing fresher air for small spaces. Replacement filters are available in store. 【Ultra Power Saving】 This USB-powered HEPA air purifier consumes only 2W, making it an energy-efficient choice. It also includes a built-in ionizer that generates negative ions, helping to beautify your skin and freshen the air around you. 【Easy to Operate and Quiet】Simply connect the air purifier for bedroom to a power supply, and it will begin working automatically. The device operates at a quiet 28dB and has two speeds to choose from. Plus, its 38° oscillating air outlet design directs air flow more directly to your face. 【Compact and Oscillating Design】Weighing in at just 1.6 lbs, our air purifier for home is easy to move around and suitable for use in small rooms and offices. Its 38° oscillating design means that it can take care of more areas than you'd expect. 【Certified and Professional】Our air purifier with HEPA filter has obtained CE, RoHs, SDOC (Fcc), WEEE certificates, and design patents. The package contains 1 QUEENTY F001 ionizer air purifier with HEPA filter (pre-installed), 1 USB power cable (plug adapter not included), and 1 user manual. Our professional after-sales team is always available to help you. Contact us with any questions, and we will do our best to make you happy.