Maintaining a comfortable indoor humidity level can improve the overall experience of sleeping, working, and spending time at home. The Xiaomi Smart Humidifier 2 combines a large 4.5-litre water tank, UV-C water sterilization, automatic humidity adjustment, quiet operation, and Xiaomi Home app control to provide consistent mist with minimal daily maintenance.
About the Xiaomi Smart Humidifier 2
The Xiaomi Smart Humidifier 2 is designed for users who want more control and convenience than a basic humidifier can provide. It produces up to 350 mL of mist per hour and can operate for up to 32 hours from a full tank, depending on the selected mist level and indoor conditions.
It is a practical choice for users comparing intelligent air humidifiers for bedrooms, living rooms, offices, nurseries, and other indoor spaces.
4.5-Litre Water Tank for Extended Use
The generous 4.5-litre tank reduces the need for frequent refilling. A full tank can provide up to 32 hours of operation, making the humidifier suitable for evening, overnight, and daytime use.
Actual runtime may vary depending on mist output, environmental humidity, room conditions, and the selected operating mode.
350 mL per Hour Mist Output
The Xiaomi Smart Humidifier 2 produces up to 350 mL of fine mist per hour. This output supports regular residential and office use while helping maintain a more balanced indoor environment during dry conditions.
The combination of a strong mist output and large water capacity makes it more suitable for continuous use than many compact travel humidifiers.
UV-C Water Sterilization
The built-in UV-C sterilization system helps reduce bacteria in the water before it is released as mist. This feature supports cleaner and more hygienic operation than humidifiers that only convert untreated tank water into airborne moisture.
UV-C treatment works inside the unit and does not require the user to operate a separate sterilization accessory.
Automatic Humidity Adjustment
Automatic humidity mode allows the humidifier to adjust its performance according to the surrounding conditions. This reduces the need for repeated manual changes throughout the day.
Automatic control is useful in bedrooms, nurseries, offices, and living areas where users want a more stable environment without continuously monitoring the device.
Xiaomi Home App Control
The Xiaomi Smart Humidifier 2 connects to the Xiaomi Home app, allowing supported settings to be monitored and adjusted from a compatible smartphone.
Through the application, users can:
- Turn the humidifier on or off remotely.
- Adjust supported mist and humidity settings.
- Switch between available operating modes.
- Monitor the device from a compatible smartphone.
- Create a more automated daily humidity routine.
Its connected functions make it a useful addition to a collection of smart home gadgets intended to simplify everyday household routines.
Quiet 32 dB Operation
The humidifier operates at approximately 32 dB, allowing it to run quietly in bedrooms, offices, nurseries, and other spaces where low noise is important.
Quiet operation makes it suitable for overnight use without creating excessive background noise during sleep.
Suitable for Overnight Operation
The long runtime, quiet operation, and automatic humidity control make the Xiaomi Smart Humidifier 2 suitable for overnight use.
With up to 32 hours of operation from a full tank, users are less likely to need a refill during the night.
Convenient Top-Fill Design
The top-fill water tank allows water to be added directly from above without removing the entire tank each time.
This design makes regular refilling faster and more convenient, particularly when the humidifier is used every day. A visible water-level window also helps users see when additional water is required.
How the Humidifier Improves Everyday Comfort
Dry indoor air can affect comfort in bedrooms, offices, living areas, and other regularly occupied spaces. Continuous mist output can help create a more balanced indoor atmosphere in several everyday situations.
- Quiet overnight operation in bedrooms
- Continuous moisture during long office hours
- Automatic humidity control in nurseries and children’s rooms
- Improved indoor balance when heating systems reduce humidity
- Regular use in air-conditioned homes and offices
What Makes It Different from a Basic Humidifier?
Many standard humidifiers simply convert water into mist. The Xiaomi Smart Humidifier 2 adds sterilization, app control, automatic adjustment, extended runtime, and easier refilling.
| Feature | Xiaomi Smart Humidifier 2 |
|---|---|
| UV-C Sterilization | Supported |
| App Control | Supported |
| Automatic Humidity Mode | Supported |
| Top-Fill Water Tank | Supported |
| Maximum Runtime | Up to 32 Hours |
Who Is the Xiaomi Smart Humidifier 2 Designed For?
The humidifier is suitable for users seeking quiet operation, smart control, extended runtime, and convenient everyday maintenance.
- Apartment and house residents
- Families with children
- Remote workers and office users
- Users who experience discomfort from dry indoor air
- People using heating or air-conditioning systems regularly
- Users building a Xiaomi smart-home ecosystem
- Anyone looking for a humidifier suitable for overnight use
Important Considerations Before Buying
- The humidifier is intended for indoor residential and office use.
- Smart functions require the Xiaomi Home app and a compatible device.
- Regular cleaning should be completed according to the manufacturer’s instructions.
- The unit should be placed on a stable and level surface.
- The large tank makes it more suitable for continuous use than compact travel humidifiers.
- Water should be replaced regularly to support cleaner operation.
Main Benefits of the Xiaomi Smart Humidifier 2
- Large 4.5-litre water tank reduces frequent refilling.
- Produces up to 350 mL of fine mist per hour.
- Provides up to 32 hours of continuous operation.
- UV-C technology helps sterilize water before mist production.
- Xiaomi Home app enables convenient smart control.
- Automatic humidity mode reduces manual adjustment.
- Quiet 32 dB operation supports bedroom use.
- Top-fill design makes adding water more convenient.
- Visible water-level indicator simplifies monitoring.
- Suitable for bedrooms, living rooms, offices, and nurseries.
Product Specifications
| Specification | Value |
|---|---|
| Brand | Xiaomi |
| Product Name | Xiaomi Smart Humidifier 2 |
| Model | BHR6605EU |
| Product Type | Smart Humidifier |
| Colour | White |
| Water Tank Capacity | 4.5 Litres |
| Mist Output | Up to 350 mL per Hour |
| Maximum Runtime | Up to 32 Hours |
| Sterilization Technology | UV-C Ultraviolet Sterilization |
| Smart Control | Xiaomi Home App |
| Automatic Humidity Mode | Supported |
| Noise Level | Approximately 32 dB |
| Water Refill Design | Top Fill |
| Water Level Indicator | Visible Water-Level Window |
| Dimensions | 190 × 202 × 315 mm |
| Weight | Approximately 1.57 kg |
| Certification | CE |
| Recommended Use | Bedrooms, Offices, Nurseries, and Living Rooms |
Xiaomi Smart Humidifier 2 vs Basic Humidifiers
| Feature | Xiaomi Smart Humidifier 2 | Basic Humidifier |
|---|---|---|
| UV-C Sterilization | Supported | Usually Not Supported |
| App Control | Supported | Usually Not Supported |
| Automatic Humidity Adjustment | Supported | Usually Not Supported |
| Maximum Runtime | Up to 32 Hours | Typically Shorter |
| Refill Method | Top Fill | Often Requires Tank Removal |
| Noise Level | Approximately 32 dB | Varies by Model |
Design and Usage Details
| Design Detail | Description |
|---|---|
| Design Style | Minimalist white humidifier designed for modern residential and office interiors. |
| Water Tank | Large 4.5-litre tank supports extended operation with fewer refills. |
| Refilling | Top-fill construction allows water to be added directly from above. |
| Water Monitoring | Visible water-level window helps users identify when a refill is required. |
| Controls | Supports manual operation, automatic humidity adjustment, and Xiaomi Home app control. |
| Noise Performance | Approximately 32 dB operation is suitable for bedrooms and quiet workspaces. |
| Daily Use | Designed for bedrooms, living rooms, offices, nurseries, and other indoor spaces. |
What Is Included in the Box?
- Xiaomi Smart Humidifier 2
- Power adapter
- User manual
FAQ
1. Can I control the Xiaomi Smart Humidifier 2 from my phone?
Yes. The Xiaomi Smart Humidifier 2 supports the Xiaomi Home app, allowing compatible settings and operating modes to be monitored and adjusted from a smartphone.
2. Is the Xiaomi Smart Humidifier 2 quiet enough for a bedroom?
Yes. It operates at approximately 32 dB, making it suitable for quiet overnight use in bedrooms and other low-noise spaces.
3. How long does one full water tank last?
A full 4.5-litre tank can provide up to 32 hours of operation. Actual runtime depends on the selected mist level, humidity mode, and environmental conditions.
4. What does the UV-C sterilization system do?
The built-in UV-C system helps reduce bacteria in the tank water before the water is converted into mist, supporting cleaner and more hygienic operation.
5. Is the top-fill design easier to use?
Yes. The top-fill design allows water to be poured directly into the humidifier from above, reducing the need to remove and carry the entire water tank.

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