Product Details

The Mijia Mist-Free Humidifier 3, model CJSJSQ05ZMZ, uses mist-free humidification and has a floor-standing design with app control. Listed rated humidification capacity is 400 mL/h; sleep-mode humidification capacity is 227 mL/h, with sleep-mode noise of 29.4 dB. The water tank holds 4 L. Dimensions: 215 mm long × 215 mm wide × 370 mm high.

Applies to: [Kids' Room] Mist-Free 3, 400 mL/h

Mijia Evaporative Humidifier Buying Guide

Smart connectivity: supports Xiao Ai voice assistant control, a mobile app, and Xiaomi HyperOS Connect.

Mijia No-Mist Humidifier 3; humidification capacity: 400 mL/h.

Healthy mist-free humidification, with smart, effortless comfort.

Supports Xiaomi HyperOS Connect.

Produces mist-free humidification at a rated output of 400 mL/h and can be filled with tap water.

Operating noise: 29.4 dB(A).

Features a 3D antibacterial humidification core that can be machine-washed or hand-washed.

Mist-free humidification uses simulated natural evaporation of water vapor. Tap water can be added directly.

It has a dome display for humidity changes and supports smart humidity control with Xiaomi HyperOS Connect.

The water tank has a 4 L capacity. The product is described as providing 18 hours of moisturizing operation and convenient cleaning.

Humidification rate: 400 mL/h.

Suitable for bedrooms and children’s rooms. Helps relieve dry discomfort, with moisture spreading quickly through the air. Mist-free operation does not wet the tabletop.

The screen automatically dims in sleep mode. The measured operating sound level in sleep mode is 29.4 dB(A). Connect to the Mi Home app to configure the screen to turn off and to disable prompt sounds.

The large top display shows indoor humidity at a glance. Convenient button controls are easy for the whole family to use.

Modes: Constant Humidity, Sleep, Powerful, and Drying.

Attractive, simple design; easy to add water.

Classic minimalist design suits a variety of interior styles. Compact and space-saving, it can be placed wherever you like. Add water easily without moving the unit or removing the cover.

The 4 L large-capacity water tank is designed to meet overnight humidification needs. The wide opening makes cleaning easier. Silver-ion material helps reduce bacterial growth. The visible water-level design makes changes in the water level easy to see.

Be sure to add water only after the device has been disconnected from power.

Long-lasting soothing*

Powerful antibacterial action*

The optimized waterway structure is easy to disassemble and clean; the entire waterway supports deep cleaning.

• 3D antibacterial filter: filters impurities in water and air.
• Filter support: separates water and mesh to reduce bubbles.
• Silver-ion material water tank: helps reduce bacterial growth.
• Removable and washable water pump.

3D washable antibacterial filter core for efficient humidification. Its polymer-fiber mesh structure allows air to be washed quickly with water, improving humidification efficiency. The filter core can be hand-washed or cleaned in a washing machine. It does not need frequent replacement and is economical and durable.

Clean the filter once a week to help keep it clean and maintain efficient humidification. When washing the filter, the water temperature should not exceed 40°C. Do not tumble dry.

Floating design: the filter absorbs water quickly to help deliver full humidification performance.

Core water-circuit components, including the water pump and water-level float, can be removed separately for cleaning. A descaling program is supported; running it regularly helps prevent blockages.

Built-in high-precision sensor automatically adjusts humidity as the environment changes. Control remotely through the Mi Home app, set a target humidity, and schedule the 24-hour timer.

The Mi Home app can display humidity and control the device. The interface shows constant-humidity, sleep, and strong modes, as well as target humidity settings.

Supports Xiaomi HyperConnect. Supports voice control with Xiao Ai: say a phrase to wake it and turn on humidification. It can work with smart devices such as air conditioners, electric heaters and door locks to create a comfortable home environment.

Thoughtful design for worry-free use. The open water tank is easy to clean.

The image also shows an automatic low-water reminder.

Optimized return-water design helps guide water flow and reduce noise.

DC inverter motor for energy efficiency.

12 V low-voltage input for safe use.

This mist-free humidifier uses evaporative humidification. It produces clean, mist-free humidification. Dust and other impurities trapped from the air and water may cause the water and filter to turn yellow; this is normal. Use with confidence and clean once a week.

This product uses a 3D washable filter. To maintain good humidification performance during long-term use, replacing the filter every 6–12 months is recommended.

Even humidification: Uses cold-evaporation humidification technology. Compared with ultrasonic humidifiers that produce visible mist, water vapor is distributed more evenly.

Quiet operation: Tested under the conditions specified in GB/T 23332-2018. The sound power level in sleep mode is ≤29.4 dB(A). Tested by China Household Electric Appliance Research Institute (Beijing) Testing and Certification Co., Ltd.; report number: WCJ-25-24018.

4 L silver-ion water tank: Rated humidification capacity is 4 L. Tested by China Household Electric Appliance Research Institute (Beijing) Testing and Certification Co., Ltd.; report number: WCJ-25-24018.

18-hour lasting humidification: In a laboratory at 23±2°C and 30%±5% RH, the humidifier was filled to the upper water-level line and operated in sleep mode until the low-water alarm sounded. The test duration was 18 hours. Tested by the Dream Maker R&D Center Laboratory; report number: XYCS-MJSQ-20250616-01.

Antibacterial performance: The antibacterial rate against E. coli is >99.9%, and the rate against Staphylococcus aureus is >99.9%. Tested by Guangdong Detection Center of Microbiology; report number: 2025FM1013R01.

Antibacterial rate: The antibacterial rate against E. coli is >99.9%, and the rate against Staphylococcus aureus is >99.9%. Tested by Guangdong Detection Center of Microbiology; report number: 2024FM20136R01.

Smart humidity control: When constant-humidity mode is enabled, the default humidity target is 55% RH. The Mi Home app can be used to set a humidity target from 40% RH to 70% RH, in 1% RH increments.

Mijia Evaporative Humidifier 3, 400 mL/h

Package contents: humidifier × 1, filter assembly × 1, power adapter × 1, citric acid descaler × 1.

Package includes 1 instruction manual and 1 quick guide.