Low energy consumption and fast purification: At maximum output, the power can be as low as 27W.
20dB ultra-quiet: In sleep mode, the noise is as low as 20 decibels, and the noise level is 33% lower than ordinary air purifiers
Longer filter life and easy replacement: The filter lasts up to 12 months, 2x longer than other air purifiers.
Smart Control: Alexa and Google Assistant voice control functions require the use of a smart voice device.
Product description:Xiaomi Mi Air Purifier 4 Compact, True HEPA H13 3-Stage Filter System Removes 99.97% of Pollutants as small as 0.3 microns, Smart Home Integration, Whisper Quiet, Just 0.9KW/day, OLED Touch Display