Xiaomi Mijia Mist Free Humidifier 3 (400)

4L Water Tank, 400mL/h Humidification & Low-Noise Operation

Looking for a Xiaomi Mijia Mist Free Humidifier 3 (400) that provides effective humidification without producing visible mist? The Xiaomi Mijia Mist Free Humidifier 3 uses a non-mist evaporative humidification system, a 4L water tank and up to 400mL/h humidification output to add moisture to your indoor environment.

The device also features a dome-shaped smart humidity display, customizable humidity control and a sleep mode that can operate at around 32dB(A) with the display dimmed.

Common Problems with Traditional Mist Humidifiers

Traditional ultrasonic humidifiers can produce visible mist, and mineral deposits from water can sometimes become a concern.

For users who prefer a more natural evaporation-based humidification method, a mist-free design can be a convenient alternative.

• ❌ Visible mist can be inconvenient in some spaces
• 💧 Mineral impurities can be a concern with certain humidification methods
• 🔊 Some humidifiers can produce noticeable operating noise
• 📉 Small tanks require frequent refilling
• ⚙️ Basic models may lack automatic humidity control
• 🌡️ Many models don’t provide real-time humidity information

Smart Solution: Xiaomi Mijia Mist Free Humidifier 3

The Xiaomi Mijia Mist Free Humidifier 3 (400) is designed around natural water-vapor evaporation rather than conventional visible-mist output.

Its 4L water tank provides substantial capacity, while the 400mL/h humidification rate delivers continuous moisture. The product is also designed to block impurities during the evaporation process.

The built-in humidity display shows real-time humidity information, while constant-humidity mode can automatically adjust operation toward a target of 55% relative humidity.

Key Features

💧 4L Large Water Tank

The 4L water tank provides enough capacity for extended everyday humidification.

According to available product specifications, the device can provide up to approximately 19 hours of continuous humidification, depending on operating conditions.

🌫️ 400mL/h Fast Humidification

The Xiaomi Mijia Mist Free Humidifier 3 provides a maximum humidification rate of 400mL/h.

This high output is designed to quickly add moisture to indoor air and help create a more comfortable environment.

💨 Mist-Free Evaporative Technology

Unlike traditional visible-mist humidifiers, this model uses natural water-vapor evaporation.

This means you don’t have to deal with a constant visible cloud of mist coming from the device.

🦠 Antibacterial & Antimicrobial Protection

The humidifier uses an antibacterial/antimicrobial system designed to reduce bacterial growth and support cleaner humidification.

Available product information describes an antibacterial rate of more than 99%.

Regular cleaning and proper water maintenance are still important for hygienic operation.

📊 Smart Humidity Display

The dome-shaped display provides real-time humidity information, allowing you to monitor the moisture level of your room at a glance.

🎯 Constant Humidity Control

The humidifier supports a constant-humidity mode designed to automatically adjust its operation to maintain approximately 55% RH.

Users can also set their preferred humidity level through compatible controls or the Mi Home app.

🤫 32dB(A) Sleep Mode

In sleep mode, the Xiaomi Mijia Mist Free Humidifier 3 operates at approximately 32dB(A), while the display brightness is automatically reduced.

This makes it suitable for bedrooms and other quiet environments.

📱 Mi Home App Support

The model is described as supporting Mi Home app connectivity, allowing users to monitor and control settings through a smartphone when compatible with their regional app configuration.

💦 Convenient Top-Fill Design

The humidifier allows water to be added from the top, making the refilling process more convenient.

The visible water-level window also helps you monitor the amount of water inside the tank.

Benefits You’ll Enjoy

✔️ 4L large-capacity tank reduces frequent refilling.

✔️ 400mL/h humidification provides fast moisture output.

✔️ Mist-free evaporative technology avoids visible mist.

✔️ Antibacterial and antimicrobial features support cleaner humidification.

✔️ Real-time humidity display makes monitoring easier.

✔️ Constant humidity mode provides automatic humidity adjustment.

✔️ 32dB(A) sleep mode supports quiet nighttime operation.

✔️ Top-fill design makes refilling easier.

✔️ Mi Home app support provides smart control options.

✔️ Water-shortage protection helps prevent operation when water is insufficient.

Perfect For

• 🛏️ Bedroom Users — Quiet sleep mode makes it suitable for nighttime use.
• 🏠 Home Users — Maintain a more comfortable indoor humidity level.
• 💼 Office Users — Suitable for quiet workspaces.
• 📚 Study Rooms — Low-noise operation can help maintain a peaceful environment.
• 👶 Nursery Areas — Suitable for appropriate indoor use when operated according to the manufacturer’s instructions.
• 🏢 Small Indoor Spaces — Available specifications indicate a coverage range of approximately 21–30㎡.
• 📱 Smart Home Users — Mi Home app connectivity provides additional control options.
• 🌫️ Mist-Free Humidifier Users — Ideal for those who prefer evaporation rather than visible mist.

Why Choose the Xiaomi Mijia Mist Free Humidifier 3 (400)?

The biggest advantage of the Xiaomi Mijia Mist Free Humidifier 3 (400) is its combination of mist-free humidification, large capacity and smart humidity control.

The 4L tank provides long-lasting operation, while the 400mL/h humidification rate delivers strong moisture output. Its evaporative technology is designed to provide humidification without producing visible mist.

The smart humidity display and constant-humidity mode are also useful for users who want more control over their indoor environment.

For nighttime use, the 32dB(A) sleep mode and dimmed display make it particularly convenient for bedrooms.

Xiaomi Mijia Mist Free Humidifier 3 vs Ordinary Humidifier

Mist-Free Humidification for a Cleaner Experience

The key difference between the Xiaomi Mijia Mist Free Humidifier 3 (400) and many conventional humidifiers is its evaporation-based humidification system.

Instead of spraying visible droplets into the air, the device uses natural water-vapor evaporation. Product information also states that the evaporation process helps block impurities.

This makes the device a practical choice for people who prefer a humidifier without visible mist around the unit.

Smart Humidity Monitoring

The dome-shaped display provides real-time humidity information directly on the device.

Real-Time Monitoring

You can quickly check the current humidity level from the top display.

Constant Humidity Mode

The device can automatically adjust operation to maintain approximately 55% relative humidity.

Custom Humidity Setting

Compatible controls and the Mi Home app allow users to set their preferred humidity level.

Quiet Operation for Bedroom & Office

Noise can be a major concern when using a humidifier at night.

The Xiaomi Mijia Mist Free Humidifier 3 offers a dedicated sleep mode with approximately 32dB(A) operation, and the display automatically dims to reduce visual distraction.

This makes it a suitable choice for bedrooms, study rooms, offices and other quiet spaces.

How to Use the Xiaomi Mijia Mist Free Humidifier 3

Step 1: Place the Humidifier

Place the device on a flat, stable and water-resistant surface. Keep it away from direct sunlight, heat sources and sensitive electronic devices.

Step 2: Fill the Water Tank

Add water through the top opening. Make sure you don’t exceed the recommended water level.

Step 3: Connect the Power

Use the supplied power adapter and connect the device to a suitable power source.

Step 4: Turn On the Humidifier

Press the power button to start the device. The smart display will show the current humidity level.

Step 5: Select Your Humidity Mode

Choose the desired humidity setting or use constant-humidity mode for automatic adjustment.

Step 6: Activate Sleep Mode

For nighttime use, activate sleep mode to reduce operating noise and dim the display.

Step 7: Clean Regularly

Clean the water tank and filter/evaporation components regularly according to the manufacturer’s maintenance instructions.

Important Usage Tips

Use clean water and maintain the humidifier regularly.

Although the product uses antibacterial technology, regular cleaning is still necessary for proper hygiene.

Place the humidifier on a stable, level surface.

Keep the device away from electronics and materials that can be damaged by moisture.

Power off the device before refilling when possible. The manual recommends powering off before adding water for safety.

Do not add essential oils or other substances to the water unless the manufacturer specifically confirms compatibility with this model.

Product Specifications

The product’s official-looking/manual-derived specifications list 4L capacity, 400mL/h output, 9W power, 12V operation, 21–30㎡ coverage and 32dB(A) sleep-mode noise.

Why Buy from AIYOZON?

AIYOZON provides a convenient online shopping destination for customers looking for useful home appliances, smart gadgets and lifestyle products in Bangladesh.

The Xiaomi Mijia Mist Free Humidifier 3 (400) is an excellent choice for customers who want a large-capacity, low-noise humidifier with mist-free evaporation and smart humidity monitoring.

• ✅ Quality Products
• 🚚 Fast Delivery Across Bangladesh
• 📦 Secure Packaging
• 💬 Responsive Customer Support
• ⭐ Convenient Online Shopping
• 💯 Great Value for Money

Frequently Asked Questions

Q1. What is the water capacity of Xiaomi Mijia Mist Free Humidifier 3?

The humidifier has a 4L water tank.

Q2. What is the humidification output?

It provides a maximum humidification rate of 400mL/h.

Q3. Is this a mist-free humidifier?

Yes. It uses a non-mist, evaporative humidification method rather than conventional visible-mist output.

Q4. How quiet is Xiaomi Mijia Mist Free Humidifier 3?

In sleep mode, the noise level is approximately 32dB(A).

Q5. Does it display humidity?

Yes. The dome-shaped smart display shows real-time humidity levels.

Q6. Can it automatically control humidity?

Yes. Its constant-humidity mode is designed to maintain approximately 55% RH, while compatible controls allow users to set a preferred humidity level.

Q7. How long can it operate with a full tank?

Available product information states up to approximately 19 hours of continuous humidification, depending on operating conditions.

Q8. Does it support Mi Home?

Yes. Available documentation describes Mi Home app support for smart control and settings.

Q9. Is it suitable for bedrooms?

Yes. The low-noise sleep mode, dimmed display and mist-free design make it suitable for bedroom use.

Q10. Does it automatically turn off when water runs out?

Yes. Product specifications list water-shortage power-off protection.

Enjoy Mist-Free, Smart & Quiet Humidification

The Xiaomi Mijia Mist Free Humidifier 3 (400) – 4L Tank, 400mL/h, Low Noise combines powerful humidification with a mist-free evaporative system, smart humidity monitoring and quiet nighttime operation.

With its 4L tank, 400mL/h output, antibacterial protection, 32dB(A) sleep mode and constant-humidity control, it is designed for users who want a convenient and modern humidification solution for home, bedroom or office use.

Order the Xiaomi Mijia Mist Free Humidifier 3 (400) from AIYOZON today and enjoy powerful, mist-free and quiet humidification!