Introduction
Thank you for choosing the Yunseity Air Cooler Humidifier. This device is designed to provide personalized cooling and humidification for your personal space. Please read this manual thoroughly before operation to ensure proper use, maintenance, and to maximize the product's lifespan.
Safety Instructions
- Ensure the power supply is DC5V 2A. Using an incorrect power adapter may damage the device.
- Do not immerse the device in water or other liquids.
- Keep out of reach of children and pets.
- Place the device on a stable, flat surface to prevent tipping.
- Do not block the air inlet or outlet during operation.
- Unplug the device before cleaning or when not in use for extended periods.
- Only use clean tap water or distilled water in the water tank.
- Do not add essential oils or other chemicals to the water tank, as this may damage the atomization unit.
Package Contents
Please check the package for the following items:
- 1 x Yunseity Air Cooler Humidifier
- 1 x USB Cable
- 1 x User Manual (this document)
Product Overview
Familiarize yourself with the components of your Yunseity Air Cooler Humidifier.

Figure 1: Front view of the Yunseity Air Cooler Humidifier, showing the digital display and control panel.

Figure 2: Close-up of the control panel with buttons for Light, Atomization, Timing, Gear (fan speed), and Switch (power).

Figure 3: The Yunseity Air Cooler Humidifier shown with its included USB power cable.
Setup
- Unpack: Carefully remove all components from the packaging.
- Placement: Place the air cooler on a stable, flat, and dry surface.
- Add Water: Open the water tank cover and fill the 100ML tank with clean tap water or distilled water. Do not overfill.
- Connect Power: Connect the provided USB cable to the device's power input port and plug the other end into a DC5V 2A USB power adapter (not included), laptop, or power bank.
Operating Instructions
The control panel features several buttons for easy operation:
- Power On/Off (Switch Button): Press the Switch button to turn the device on or off.
- Adjust Fan Speed (Gear Button): Press the Gear button repeatedly to cycle through 6 adjustable fan speeds. The current speed will be displayed on the digital screen.
- Set Timer (Timing Button): Press the Timing button to set the automatic shut-off timer. The timer can be set for up to 6 hours. Each press will increase the timer setting.
- Activate Humidification (Atomization Button): Press the Atomization button to turn the humidification function on or off. This feature releases a fine cool mist.
- Control Light (Light Button): Press the Light button to control any integrated lighting features (if applicable).
The digital display will show the current fan speed or timer setting.
Maintenance
- Cleaning the Water Tank: Regularly empty and clean the 100ML water tank to prevent mold and mildew growth. Use a soft cloth and mild detergent, then rinse thoroughly.
- Exterior Cleaning: Wipe the exterior of the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Air Filter (if applicable): Check for any removable air filters and clean them as per instructions (if present, though not specified in product details).
- Storage: When not in use for an extended period, ensure the device is clean and dry. Store it in a cool, dry place away from direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | No power or loose connection. | Ensure the USB cable is securely connected and the power source is active (DC5V 2A). |
| No mist from humidifier. | Water tank empty or atomization function not activated. | Refill the water tank. Press the Atomization button to activate. |
| Weak airflow. | Low fan speed setting or blocked air inlet/outlet. | Increase fan speed using the Gear button. Ensure air vents are clear. |
| Unusual noise during operation. | Device not on a stable surface or internal obstruction. | Place on a stable surface. If noise persists, discontinue use and contact support. |
Specifications
- Item Type: Air Cooler Humidifier
- Model: Yunseityebqtpf9gy7
- Material: ABS
- Power Supply: DC5V 2A
- Water Capacity: 100ML
- Wind Speed Settings: 6 Gears
- Timer: Up to 6 Hours
- Color: Gray (Note: Product image shows black/dark gray)
- Height: Approx. 32.5cm / 12.8in
- Product Dimensions: 25D x 18W x 18H Centimetres
- Manufacturer: Yunseity
Warranty and Support
This Yunseity Air Cooler Humidifier comes with a manufacturer warranty for 90 days from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or warranty inquiries, please contact Yunseity customer service through the retailer where the product was purchased or visit the official Yunseity brand store online.
Note: Manufacturer contact information was not provided in detail. Please refer to your purchase documentation for specific support channels.