If you are looking for a high-quality portable air purifier for bedroom, which is also economical and safe to use, our air purifier is your best choice. < p>Effective 3-stage filtration system: removes at least 99.97% of dust, pollen, smoke, odors, pet hair, and filters particles as small as 0.3 microns, etc. PM 2.5 air pollution. Powerful: 360° cleaning performance, enjoy the cleanest and freshest air. Ultra-quiet: Upgraded to a low-noise version, so you can sleep soundly.< /p> Compact Size: This mini air purifier is designed for use in bedrooms, home offices, offices and small rooms. Easy Operation: One-touch button to switch between fan speeds with two levels. Intelligent Filter Replacement Reminder: When the air filter works up to 1,500 hours, the indicator light on the on/off button will flash. The filter needs to be replaced.