Introduction
Thank you for choosing the Mikikin Portable Evaporative Air Cooler Fan AC7. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new device. Please read these instructions thoroughly before use and retain them for future reference.
Safety Instructions
- Always place the unit on a stable, level surface to prevent tipping and water leakage.
- Do not immerse the unit, power cord, or plug in water or other liquids.
- Ensure the power supply matches the voltage specified on the unit's rating label.
- Unplug the unit from the power outlet before filling water, cleaning, or performing any maintenance.
- Keep the unit out of reach of children and pets.
- Do not block the air inlets or outlets.
- Avoid using the unit in extremely humid environments.
- If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.
Package Contents
Please check the package contents upon unpacking:
- Mikikin Portable Evaporative Air Cooler Fan (1 unit)
- USB Power Cable (1 unit)
- User Manual (1 unit)
Product Overview
Familiarize yourself with the components of your Mikikin Portable Evaporative Air Cooler Fan.

Figure 1: Product Dimensions and Key Components
This image illustrates the compact size of the unit (approximately 8.3 inches tall and 5.1 inches wide) and highlights the fan air outlet with 120° angle adjustment, the fashion hive air inlet, and the large capacity 400ML water tank.

Figure 2: Control Panel Overview
The control panel features touch buttons for Power/Speed Adjustment, a Timer (2H/4H), a Refrigeration Water Shortage Indicator, and an LED Light control.
Setup
Follow these steps to set up your air cooler for first use:
- Unpack the Unit: Carefully remove the air cooler from its packaging.
- Place on a Stable Surface: Position the unit on a flat, stable, and level surface. Ensure it is not leaning to prevent water spillage.
- Fill the Water Tank:
- Locate the water tank opening.
- Carefully pour clean water into the tank. Do not exceed the maximum fill line indicated on the tank. For enhanced cooling, you may add ice cubes or chilled water.
- Connect Power: Insert the USB power cable into the unit's power port and connect the other end to a compatible USB power adapter (not included) or a USB port.

Figure 3: Water Filling and Power Connection
This image demonstrates the correct method for filling the water tank and connecting the power cable. It also highlights the importance of keeping the unit balanced to prevent leaks.
Operating Instructions
Your Mikikin Portable Evaporative Air Cooler Fan offers multiple functions for personalized comfort.
- Power On/Off and Speed Adjustment:
- Press the Power/Speed Adjustment button (
) to turn the unit on. - Each subsequent press cycles through the 3 available fan speeds: Low, Medium, and High.
- Press and hold the button to turn the unit off.
- Press the Power/Speed Adjustment button (
- Misting/Humidification Function:
- Press the Misting button (
) to activate the misting function, which provides evaporative cooling and humidification. - The misting function will automatically stop if the water level in the tank is too low, indicated by the Refrigeration Water Shortage Indicator.
- Press the Misting button (
- LED Night Light:
- Press the LED Light button (
) to turn on the 7-color LED night light. - Each press cycles through the different colors or sets it to a color-changing mode.
- Press the LED Light button (
- Timer Function:
- Press the Time Switch button (
) to set the operating time for 2 hours or 4 hours. The unit will automatically turn off after the selected time.
- Press the Time Switch button (
- Adjusting Airflow Direction: Manually adjust the front louvers to direct the airflow as desired.

Figure 4: Speed and LED Light Options
This graphic illustrates the three fan speed settings and the seven distinct LED color options available for the night light feature.

Figure 5: Typical Usage Scenarios
The Mikikin Portable Air Cooler is designed for personal use in various settings such as desks, bedrooms, offices, and kitchens, providing localized cooling and humidification.
Maintenance
Regular maintenance ensures optimal performance and longevity of your air cooler.
- Cleaning the Water Tank:
- Unplug the unit before cleaning.
- Empty any remaining water from the tank.
- Wipe the inside of the water tank with a soft, damp cloth. For stubborn deposits, a mild detergent can be used, followed by thorough rinsing.
- Allow the tank to air dry completely before refilling or storing.
- Cleaning the Exterior: Wipe the exterior surfaces of the unit with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners or solvents.
- Storage: If the unit will not be used for an extended period, ensure the water tank is empty and dry. Store the unit in a cool, dry place away from direct sunlight.
Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply or loose connection. | Ensure the power cable is securely plugged into the unit and a working power outlet. |
| No mist/humidification | Water tank is empty or water level is too low. | Refill the water tank with clean water up to the maximum fill line. |
| Weak airflow | Fan speed is set too low or air inlets/outlets are blocked. | Increase the fan speed. Check and clear any obstructions from the air inlets and outlets. |
| Water leakage | Unit is not on a level surface or water tank is overfilled. | Place the unit on a stable, level surface. Do not overfill the water tank. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Mikikin |
| Model Name | Mikikin Portable AC7 |
| Mounting Type | Freestanding |
| Special Feature | Portable |
| Color | Black |
| Controls Type | Button |
| Included Components | Fan, Handle |
| Number of Speeds | 3 |
| Operation Mode | Manual |
| Size | Small |
| Package Dimensions | 11.2 x 5.9 x 5.8 inches |
| Item Weight | 1.8 pounds |
| Material | Plastic |
| Form Factor | Personal |
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official Mikikin website. You may also contact customer service through your purchase platform for assistance.