Mi Air Purifier 4

  High-Efficiency Filter: 99.97% filtration efficiency for fine particles (0.3 micron)

  Suitable for 48㎡ room: PCADR 400m³/h, FCADR 150m³/h

  Smart Control: Voice command with Google assistant and Alexa

  High-Precision Sensors: PM 2.5, Tem. and Humid sensors to monitor air quality

  Negative Ion: Helps keep your home fresh

  Quiet Operation: Low noise 32.1dB in night mode, sleep undisturbed

  Detachable Air Outlet Grille for air duct easy cleaning

  OLED Touch Screen: Air quality index displayed in real time

  Filter replacement reminder: Automatic reminder for filter that needs replacing