Xiaomi Smart Air Purifier 4 Compact for Home Bedroom, 48㎡ Coverage, 20dB Ultra Quiet HEPA Filtration, App Control, White

• ² & ​ Purifies air in ​large rooms up to 48m² (517 ft²)​​ within 30 minutes using a 230m³/h CADR rate. Energy-saving DC motor consumes only ​27W（*48 ㎡ room size is base on 2 air changes per hour(ACPH), meaning that it can purify a 48 m² room 2 times per hour(assuming the room has a ceiling height of 2.4 m), room size = pCADR ÷ 2.4 m÷2. pCADR data from CVC Testing Technology Ltd. Report no.: WTS2022-4212.）
• – ​ Operates at ​near-silent 20dB with auto-display dimming. DC tech uses ​0.7kWh/24hr​（* Low-noise 20dB Sleep Mode: Refers to the noise value generated when the product is in Sleep Mode. Data from CVC Testing Technology Ltd. Report no.: WTS2022-4212.Only 0.7kWh are needed for 24 hours of purification: 27W x 24h ÷ 1000 = 0.684kWh. 24h power consumption of 0.684kWh, approximately 0.7kWh）
• – – ​ ​99.97% capture of 0.3µm particles​ (ISO 16890 Test Report WCv-21-40115). Targets common irritants: pollen, dust, and pet-related particles.
• – & ​ Four-color PM2.5 indicator + ​Mi Home app​ for scheduling and voice commands（Works with Alexa/Google）. Auto mode adjusts fan speed based on air quality
• ​ ​Dual-use desktop/floor placement (220×355mm)​​ with ​compact dimensions​ — fits seamlessly in tight spaces like desks, nightstands, or corners. 12-month filter lifespan with tool-free replacement.

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