Brand new original, retail pack
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Breathe clean, breathe healthy
20m² large room purification in approx. 10 minutes
Smart control / OLED display
Air is filled with invisible pollutants that pose a risk to your health
Purify a large 20m² room in approx. 10 minutes
Xiaomi Smart Air Purifier 4 has a Particle CADR of up to 400m³/h*, able to deliver 6660L of purified air per minute*, and with 360° all-round air intake, whole-room air purification is effortless.
99.97% elimination of 0.3μm particles*
All-day protection for those who suffer from rhinitis and allergies. Xiaomi Smart Air Purifier 4 protects your respiratory health by keeping the air in your home clean and safe to breathe.
Protection for those prone to allergies - Pollen filtration
A hero for animal lovers - Pet hair and dander filtration
High-quality activated carbon
Odour elimination for lasting freshness
Activated carbon has a high adsorption rate and effectively removes common harmful gases such as VOC from your home, as well as eliminating odours to keep your air fresh.
Negative Air Ionization helps keep your home fresh
Your purifier releases negative ions to keep the air fresh, helping you stay refreshed after a hard day's work.
Just one filter for up to one year's usage
Everyday freshness with a long-lasting filter
The filter is highly efficient with a large surface area and high content of high-quality activated carbon. Long-lasting filter performance means less replacements, with one filter lasting 6-12 months.
Filter replacement reminders
Link to the Mi Home/Xiaomi Home app and simply change your filter when recommended
One-touch Auto Mode
Effective, hands-free purification
Sensitive high-precision laser sensors monitor changes in air quality. High-efficiency purification in Auto Mode — your purifier monitors real-time air quality and automatically adjusts purification speed.
High-precision laser sensors - Detect particles as small as 0.3μm
Keep your home fresh when on the move
With support for smart control, ensure that you always return to a home filled with clean, fresh air. Use the Mi Home/Xiaomi Home app from your smartphone to enable purification when away from home.
Voice-control support - Activate your purifier with your voice*
Real-time air quality with the OLED display
Intuitive indoor air-quality data with the real-time PM2.5 display and colour-coded indicator. Adjust your purification settings with the simple touch control buttons, one light touch to fulfil your air-quality needs.
Low-noise 32.1dB(A)* Night Mode
For a good night’s sleep
Switch to Night Mode to turn off display luminance for no-glare, no-noise purification. Your purifier will keep air circulating, providing you with the perfect environment for some undisturbed shut-eye.
Easy-clean air ducts
Clean your purifier from the inside out
Unscrew and remove the grille for easy access to the fan blades and air ducts. Easy cleaning for the inside of your purifier to prevent secondary pollution.
*Make sure the device is switched off before taking any of the following actions.
Pick it up, put it down
Compact and portable
Easy open and close - Magnetic-door design
Durable - Weather-resistant ABS body
The difference between Xiaomi's High Efficiency Filter and conventional HEPA Filter
Combining two filter technologies: Electrostatic charge and mechanical filtration, Xiaomi's High Efficiency Filter media can remove 99.97% of airborne particles of 0.3 micrometers in size and traps dust, PM 2.5, pollen, pet dander, smoke and tiny particles. Compared to a conventional HEPA filter, Xiaomi's High Efficiency Filter allows the air purifier to generate less noise and consume less energy by allowing more airflow to pass through the filter all the while keeping the same cleaning efficiency.
* 400m³/h Particle CADR: Data from China Testing & Inspection Institute for Household Electric Appliances Inspection. Tested based on GB/T 18801-2015 standard. Report No. WCk-21-50475.*6660L of purified air per minute: Refers to the clean air output when the product is operating at maximum output. Calculated based on the PM CADR of Xiaomi Smart Air Purifier 4.*10min purification for a living room of approx. 20m²: In a bedroom of 20m², with a ceiling height of 3m when the device is running at maximum output, a single-cycle purification time is calculated by: room area x room height ÷ PM CADR.*Effective coverage area of 28-48m²: Data from China Testing & Inspection Institute for Household Electric Appliances Inspection Report (No. Wck-21-50475).* 99.97% elimination of 0.3μm particles: Data from China Testing & Inspection Institute for Household Electric Appliances Inspection. Tested based on GB/T 6165-2021 standard. Report No. WCv-21-40115.*High-efficiency filter with a larger surface area of 22,000cm²: The surface area of filter used on the high-efficiency filter of Xiaomi Smart Air Purifier 4 was 22,000cm². Data from Smart Mi Lab, and may vary slightly due to differences between individual products.*High-quality activated carbon content of 500,000mg: The activated carbon content of the filter used on Xiaomi Smart Air Purifier 4 is 500,000mg. Data from Smart Mi Lab, and may vary slightly due to differences between individual products.*Low-noise 32.1dB(A) Night Mode: Refers to the noise value generated when the product is in Night Mode. Data from the China Testing & Inspection Institute for Household Electric Appliances Inspection Report (No. WCk-21-50475).*Alexa and Google Assistant voice control features require smart voice devices to function. Related connecting devices are sold separately. * Google and its related logos are trademarks of Google LLC. * Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. * Google Assistant and Amazon Alexa are not available in certain languages and countries. Availability of services varies by country and language.*Google is a trademark of Google LLC.*Google Assistant is not available in certain languages and countries. Please refer to official website for more information.*Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates.*Alexa is not available in all languages and countries. Alexa features and functionality may vary by location. Please refer to official website for more information.