Features:Compact and Portable: Designed to be easily moved and placed in different rooms for effective airs purification.USB Powered: Conveniently powered via USB, making it compatible with laptops, power banks, and standard USB adapters.Effective Airs Cleaning: Utilizes advanced filtration technology to remove pollutants such as dust, allergen, and odors from the airs.Quiet Operation: Operates silently, making it suitable for use in bedrooms, offices, or nurseries without causing disturbance.Easy to clean: This airs purifier has a built-in easy-to-replace filter elements, just replace the filter elements.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material:ABSSize:100*100*175mmRated voltage: 5VNoise: less than or equal to 30dBPower:5WParticulate matter cadr:60m/hFormaldehydes cadr:45m/hToluene cadr:40m/hTVOC cadr:40m/hApplicable area: 31m-50mWind speed: 2500rpmNote: 1. USB plug-in is shipped without built-in battery.2. The airs purifier body itself is equipped with a set of filter elements3. It is recommended to replace the filter elementsevery 3 months