1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your Bear 5L Cool Mist Top Fill Humidifier. This ultrasonic humidifier is designed to increase humidity in large rooms, bedrooms, baby nurseries, and for plant care. Key features include quiet operation, a large 5-liter water tank providing up to 35 hours of continuous mist, and an automatic shut-off function when water levels are low.
The humidifier utilizes ultrasonic humidification technology to quickly improve the indoor environment, helping to keep skin moisturized and relieve discomfort from dry air. It also features multiple purification stages to release clean mist.

Image 1.1: Bear 5L Humidifier in a living room, demonstrating mist output and coverage area.
2. Product Components
Familiarize yourself with the main components of your humidifier:
- Base Unit: Contains the control knob, power cord, and internal mechanisms.
- Water Tank: Transparent 5-liter capacity tank for water.
- Top Cover: Sits on top of the water tank, includes the 360° rotatable mist nozzle.
- Activated Carbon Filter: Helps remove mineral deposits and extends humidifier lifespan.
- Air Filter: Improves air quality and helps prevent respiratory problems.
- Aroma Tray: Located at the base for adding essential oils.

Image 2.1: Overview of the humidifier's main parts.
3. Setup Instructions
Follow these steps to set up your humidifier for first use:
- Unpack: Carefully remove all components from the packaging.
- Place Filter: Insert the activated carbon filter onto the atomizer plate within the base unit.
- Attach Aroma Tray: Slide the aroma tray into its designated slot at the base of the unit.
- Assemble Tank: Place the water tank onto the base unit, ensuring it is securely seated. Then, place the top cover onto the water tank.
- Fill Water: Remove the top cover and pour clean, pure, or distilled water directly into the water tank. Do not exceed the 'MAX' fill line indicated on the tank.
- Power On: Plug the power cord into a standard electrical outlet.
Video 3.1: Visual guide on how to set up the Bear 5L Humidifier.

Image 3.1: Demonstrating the easy top-fill design and wide opening.
4. Operating Instructions
Once set up, operating your humidifier is straightforward:
- Turn On/Adjust Mist: Rotate the control knob clockwise from the 'OFF' position to turn on the humidifier. Continue rotating to adjust the mist output from minimum ('MIN') to maximum ('MAX').
- Direct Mist: The 360° rotatable nozzle on the top cover allows you to direct the mist in any desired direction.
- Essential Oils (Optional): If desired, add a few drops of your preferred essential oil to the aroma tray located at the base.
- Automatic Shut-Off: The humidifier will automatically turn off when the water tank is empty, indicated by a red light on the control panel.
Video 4.1: A short demonstration of the humidifier's mist output.

Image 4.1: Close-up of the control knob and 360° mist nozzle.
5. Maintenance
Regular cleaning and maintenance ensure optimal performance and longevity of your humidifier:
- Daily Refill: The top-fill design with a wide opening makes refilling and cleaning easy.
- Water Quality: Pure water or distilled water is strongly advised to minimize mineral buildup and extend the life of the humidifier.
- Filter Cleaning: The activated carbon filter helps remove mineral deposits. Refer to the user manual for specific cleaning instructions for the filter.
- General Cleaning: Regularly clean the water tank and base unit to prevent mold and bacteria growth. The wide opening allows for easy access to clean the inside of the tank.
Video 5.1: Demonstration of easy water refilling for the Bear Humidifier.

Image 5.1: Illustration of the multiple purification system with activated carbon and air filters.
6. Troubleshooting
If you encounter any issues with your humidifier, please refer to the following common troubleshooting tips:
- No Mist Output: Check if the water tank is properly seated and filled. Ensure the power cord is securely plugged in and the unit is turned on.
- Unusual Noise: Ensure the humidifier is placed on a flat, stable surface. Check for any foreign objects in the water tank or base.
- Water Leakage: Verify that all components are correctly assembled and the water tank is not overfilled.
- Odor: Clean the water tank and replace the water. If using essential oils, ensure the aroma tray is clean.
For more detailed troubleshooting or persistent issues, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Bear |
| Model Name | JSQ-F50D2 |
| Color | White |
| Capacity | 5 Liters (1.32 Gallons) |
| Floor Area Coverage | Up to 320 Square Feet / 30 m² |
| Operation Mode | Ultrasonic |
| Max Runtime | Up to 35 Hours |
| Special Features | Adjustable Humidity Control, Auto Shut Off, Low Water Indicator, Quiet Operation (28dB), Removable Tank, Essential Oil Tray |
| Product Dimensions | 17.17"D x 11.81"W x 7.68"H |
| Item Weight | 2.98 Pounds |
| Voltage | 120 Volts |
| Wattage | 25 Watts |
| Material | BPA-FREE |
8. Warranty and Support
Your Bear 5L Cool Mist Top Fill Humidifier comes with a 365-day warranty from the date of purchase, covering manufacturing defects and malfunctions under normal use.
For technical assistance, warranty claims, or any questions regarding your product, please refer to the contact information provided in your product packaging or visit the official Bear website.





