2 in 1 Pluggable Air Purifier: The air purifier has a built-in ozone and negative ion generator. Ozone has strong oxidative decomposition ability, and negative ions can absorb dust. The combination of these two functions can effectively eliminate pet odor, second-hand smoke and kitchen fumes, allowing you to enjoy natural and fresh air at home. Ozone deodorization function: The deodorant can achieve the purpose of comprehensive and efficient cleaning by releasing low concentration O in a short time. O3 has strong permeability, diffusivity and decomposition ability, which can effectively eliminate harmful substances and odors in the air. Negative ion purification function: The air ionizer can generate negative ions, which combine with the positive ion dust in the air and sink to the ground to avoid the danger of inhaling floating objects. And realize the removal of particulate matter such as cigarette smoke and oil fume. Effectively freshen the air and improve sleep quality. One-click adjustment of three modes: Freely choose the purification mode according to your needs. Green light, negative ion purification mode; blue light, ozone timing mode; red light, ozone cycle mode. Low power can be widely used in small rooms such as houses, kitchens, bedrooms, bathrooms, cloakrooms, closets, garages, hotels, offices, etc. LOW NOISE, ECO-FRIENDLY AND HEALTHY: This filter-free air purifier lets you no need to replace expensive accessories, just plug it in and it works right away. Ozone can be decomposed into oxygen under normal circumstances, and will not cause secondary pollution. The silent design below 30dB allows you to enjoy the forest-like air in a comfortable sleep.