Xiaomi Mi 4 smart air purifier comes with filter, power cord, and instruction book, helps promote air quality Xiaomi 4 smart air purifier provides you one year warranty The 4 smart air purifier provides 99.97 % filtration efficiency
High-precision Sensors: PM 2.5 & PM 10 sensors to detect air pollutants Mi air purifier is suitable for 48㎡ room Xiaomi smart air purifier incorporates OLED touch screen for ease of use The air purifier ensures quiet operation with noise levels as low as 33.7dB, which is comparable to whispering
Negative Ion: Xiaomi 4 air purifier supports voice control and works with Google Assistant and Alexa