1. Introduction
Thank you for choosing the Brandson Silent Air Humidifier and Aroma Diffuser. This device is designed to improve indoor air quality by adding moisture to the air, diffusing essential oils for a pleasant aroma, and providing ambient lighting with its 7-color LED feature. With a 2.5-liter capacity, quiet operation, and multiple mist modes, it creates a comfortable and relaxing environment in your home or office.
Please read this instruction manual carefully before using the device to ensure safe and optimal performance. Keep this manual for future reference.
2. Safety Instructions
To prevent injury or damage to the device, always follow these basic safety precautions:
- Power Supply: Use only the provided USB-A to USB-C cable and a compatible 5V/1A power adapter (not included). Do not use adapters with higher voltage or current.
- Water: Use clean tap water. Do not add hot water or other liquids to the water tank. Do not immerse the device in water or other liquids.
- Placement: Place the humidifier on a stable, flat, and water-resistant surface. Keep it away from direct sunlight, heat sources, and electronic devices. Ensure it is out of reach of children and pets.
- Operation: Do not block the mist outlets. Do not touch the ultrasonic atomizer while the device is operating.
- Maintenance: Always unplug the device before cleaning or refilling. Do not attempt to repair or modify the device yourself. Contact qualified personnel for service.
- Aroma Oils: Use only water-soluble essential oils in the dedicated aroma compartment. Do not add oils directly to the water tank.
3. Package Contents
Please check that all items are present in the package:
- Brandson Silent Air Humidifier and Aroma Diffuser
- USB-A to USB-C Power Cable
- Instruction Manual
4. Product Components

Figure 1: Product Overview with Dimensions. This image shows the overall design of the Brandson humidifier, highlighting its compact size (24 cm height, 14.5 cm diameter) and key features such as two mist outlets, 2500 ml tank, LED color ring, automatic shut-off, and quiet operation (less than 30 dB).

Figure 2: Integrated Aroma Compartment. This view illustrates the dedicated compartment for aroma oils, designed for easy access and refilling. It also highlights the benefits of humidification for optimal indoor humidity (40-60%), improved breathing, and enhanced well-being.

Figure 3: Technical Details and LED Lighting. This image provides a closer look at the internal structure and technical specifications, including the 2500 ml tank capacity, maximum run times (25 hours dual, 50 hours single), and automatic shut-off timers (8 hours dual, 16 hours single). It also showcases the individual LED basic colors and the sliding color change function for ambient lighting.

Figure 4: Humidifier in Operation. This image depicts the humidifier actively releasing mist, demonstrating its function in improving air quality and providing a relaxing atmosphere.

Figure 5: Quiet Operation and Room Coverage. This image shows the humidifier placed on a bedside table, emphasizing its whisper-quiet operation (max. 30 dB) suitable for bedrooms. It also indicates its effectiveness for rooms up to 20 square meters and a maximum evaporation rate of 100 ml/h with two outlets.

Figure 6: Product Color Variants. This image displays the humidifier in both black and white color options, showcasing its sleek design.

Figure 7: Packaging and Accessories. This image shows the product packaging along with the humidifier and the USB-A to USB-C power cable, indicating what is included in the box.
5. Setup
Follow these steps to set up your Brandson Humidifier:
- Unpack: Carefully remove all components from the packaging.
- Placement: Place the humidifier on a firm, level, and waterproof surface, ensuring it is at least 15 cm away from walls and furniture.
- Fill Water Tank: Remove the top cover of the humidifier. Fill the 2.5-liter water tank with clean, cool tap water up to the MAX line. Do not overfill.
- Add Aroma Oil (Optional): Locate the integrated aroma oil bottle compartment on the top of the device. Press down to release and remove the small bottle. Fill it with your desired water-soluble essential oil. Reinsert the bottle and ensure it clicks into place.
- Replace Cover: Place the top cover back onto the humidifier, ensuring it is securely seated.
- Connect Power: Connect the USB-C end of the power cable to the port on the humidifier and the USB-A end to a compatible 5V/1A USB power adapter (not included) or a USB port on a computer.
6. Operating Instructions
The humidifier features two control buttons on the top surface for mist and light functions.
6.1 Mist Control
Press the mist button (usually indicated by a mist icon) to cycle through the mist modes:
- First Press: Activates Dual Mist Mode (both outlets operate simultaneously).
- Second Press: Activates Single Mist Mode (one outlet operates).
- Third Press: Activates Alternating Mist Mode (outlets operate alternately).
- Fourth Press: Turns off the mist function.
The device features an automatic shut-off function:
- After approximately 8 hours in Dual Mist Mode.
- After approximately 16 hours in Single or Alternating Mist Mode.
- When the water tank is empty.
6.2 LED Light Control
Press the light button (usually indicated by a light bulb icon) to control the LED ambient light:
- First Press: Activates the automatic 7-color changing mode.
- Subsequent Presses: Cycles through individual fixed colors (e.g., red, green, blue, yellow, purple, cyan, white).
- Long Press: Turns off the LED light function.
6.3 Aroma Function
The aroma function operates passively through the integrated aroma oil bottle. Ensure the bottle is filled with essential oil as described in the setup section. The mist generated by the humidifier will help disperse the aroma into the air.
7. Maintenance and Cleaning
Regular cleaning is essential for optimal performance and hygiene.
7.1 Daily Maintenance
- Unplug the device.
- Empty any remaining water from the tank.
- Wipe the water tank and mist outlets with a clean, damp cloth.
- Refill with fresh water before each use.
7.2 Weekly Cleaning
- Unplug the device and empty the water tank.
- Remove the top cover.
- Gently clean the ultrasonic atomizer with a soft brush or cotton swab to remove any mineral deposits. Do not apply excessive pressure.
- Clean the water tank thoroughly with a mild detergent and rinse well.
- Clean the aroma oil compartment and the small aroma bottle.
- Wipe all surfaces with a dry cloth.
7.3 Storage
If the humidifier will not be used for an extended period:
- Perform a thorough cleaning as described above.
- Ensure all parts are completely dry.
- Store the device in a cool, dry place, away from direct sunlight.
8. Troubleshooting
If you encounter issues with your humidifier, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist | Low water level Ultrasonic atomizer dirty Mist outlets blocked Power cable not connected properly | Refill water tank Clean the ultrasonic atomizer Clear any obstructions from mist outlets Ensure power cable is securely connected |
| No LED light | Light function not activated Power issue | Press the light button to activate Check power connection |
| Aroma not noticeable | Aroma oil bottle empty Incorrect type of oil Aroma compartment dirty | Refill aroma oil bottle Use water-soluble essential oils Clean the aroma compartment |
| Water leakage | Top cover not properly seated Overfilled water tank | Ensure top cover is securely in place Do not fill water above the MAX line |
| Device turns off unexpectedly | Automatic shut-off activated Water tank empty | This is normal operation (8/16 hours timer) Refill water tank |
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Brandson |
| Model Number | 6868464 |
| Capacity | 2.5 Liters |
| Power | 4 Watts |
| Voltage | 5 Volts (via USB-C) |
| Dimensions (H x D) | 24 cm x 14.5 cm |
| Weight (Product) | 542 g |
| Noise Level | < 30 dB |
| Ultrasonic Frequency | 1.7 MHz |
| Water Consumption | 100 ml/h (Dual Mist Mode) 50 ml/h (Single Mist Mode) |
| Operating Temperature | 0-40 °C |
| Max. Run Time | Up to 25 hours (Dual Mist Mode) Up to 50 hours (Single Mist Mode) |
| Auto Shut-off Timer | 8 hours (Dual Mist Mode) 16 hours (Single/Alternating Mist Mode) |
| Recommended Room Size | Up to 20 m² |
10. Warranty and Support
This Brandson product comes with a manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included with your purchase or visit the official Brandson website.
For technical support, troubleshooting assistance, or spare parts, please contact Brandson customer service. You can find contact information and further resources on our website:
Please have your model number (6868464) and purchase details ready when contacting support.





