Xiaomi Smart Air Purifier 4 Pro App/Voice Control, White

Highlights: High Efficiency Filter PCADR 500m³/h & FCADR 185m³/h, eliminate 99.97% of pet dander, dust, pollen, smoke, TVOC and fine particles as small as 0.3 microns((less than one percent of a hair diameter ). [1] To purify a room of 165㎡ only needs one hour. High-precision Sensors PM 2.5 & PM 10 sensors to detect air pollutantsOLED Touch Screen AQI displayed in real time Smart Control Voice command with Google assistant and Alexa Negative Ion Generator Helps promote air quality. Detachable Air Outlet Grille For easy cleaning Quiet Operation Noise as low as 33.7dB, just like whispering High-precision Sensors: PM 2.5 & PM 10 sensors to High Efficiency Filter: PCADR 500m³/h & FCADR 185m³/h, eliminate 99.97% of pet dander, dust, pollen, smoke, TVOC and fine particles as small as 0.3 microns((less than one percent of a hair diameter ). [1] To purify a room of 165㎡ only needs one hour. OLED Touch Screen: Air quality index displayed in real time Quiet Operation: Low noise 33.7dB in night mode, sleep undisturbed