* This small air purifier suitable for space smaller than 10 such as your car, little bedroom, office desktop, desk, pet room, studio. *With 3-in-1 HEPA Air Purifier, it can effectively remove large particle dust,air pollution of PM 2.5 and particlessmaller than 0.3-micron. *With activated carbon which can effectively remove harmful gases such as formaldehyde and fresh the air around you without generating ozone, filtering 99.97% of dust, pollen, cigarette smoke, odors, dust mites, mold spores and pet dander hair. * Super Quiet & 360Purification, the maximum operating noise in sleep mode is only 18 decibels. Like the sound of falling leaves, the baby will not be disturbed when sleeping. *One-click Control & Night Light,One button controls two modes. Press once, the air purifier will turn on and the colorful LED light will be on. Press twice, only the night light will turn off. Press three times, the air purifier will stop working. * Easy USB charging, it's not rechargeable, you need to plug in when use it. *Filter needs to be replaced every 6 months, no more use after that because it will affect the machine performance.