coldSky XY-88
coldSky Portable Handheld Fan (Model XY-88) Instruction Manual
Brand: coldSky
Model: XY-88
1. Introduction
Thank you for choosing the coldSky Portable Handheld Fan. This manual provides essential information for the safe and efficient operation of your new fan. Please read it thoroughly before use and retain it for future reference.
2. What's Included
- coldSky Portable Handheld Fan
- Lanyard
- Non-slip Base
- Type-C Charging Cable
- User Manual
3. Product Features
3.1. 5 Speed Settings & Powerful Airflow
The coldSky fan is equipped with a high-quality brushless motor and a 7-blade design, providing powerful airflow. Five adjustable wind speeds can be selected with a single button press, offering customized cooling up to 4000 RPM.
3.2. Long-lasting Battery & Digital Display
Featuring a built-in 4000mAh battery and energy-efficient technology, the fan offers extended operation for 7-20 hours on a single charge. A smart digital screen displays the remaining battery life and current speed level, ensuring you are always aware of the fan's status.

Close-up of the fan's smart digital display, indicating remaining battery percentage and current wind speed level.
3.3. 3-in-1 Multifunction Design
This versatile fan can be used in three ways: as a handheld fan, a desk fan, or a neck fan. Its 90° vertical adjustment allows you to direct airflow precisely where needed, making it suitable for various environments and activities.

Visual representation of the fan's versatile 3-in-1 design, demonstrating its use as a handheld fan, a desk fan with its base, and a neck fan with the included lanyard.
3.4. Ultra-Quiet Operation
Engineered with silent motor technology, the coldSky fan reduces noise while delivering maximum airflow. It operates at a noise level 30% lower than comparable products at the same wind speed, ensuring minimal disturbance to your work or sleep.
3.5. USB-C Charging
The fan features a convenient USB-C charging port, allowing for quick and easy recharging. It can be charged using various methods, including an adapter, power bank, laptop, or car charger, with a full charge typically taking 2.5 hours.

Illustration of the fan's 4000mAh battery, showing charging time of 2.5 hours and working time of 7-20 hours, with various charging methods like adapter, power bank, laptop, and car charger.
4. Setup
4.1. Initial Charging
- Before first use, fully charge the fan.
- Connect the provided Type-C charging cable to the fan's charging port.
- Plug the other end of the cable into a compatible USB power source (e.g., wall adapter, power bank, laptop, car charger).
- The digital display will show the charging progress. A full charge typically takes 2.5 hours.
4.2. Attaching the Non-slip Base
For desk use, gently insert the fan's handle into the provided non-slip base until it is securely seated.
4.3. Attaching the Lanyard
For hands-free use, attach the lanyard to the designated loops on the fan's handle.
5. Operating Instructions
5.1. Power On/Off
Press the power button once to turn the fan on. Press and hold the power button to turn the fan off.
5.2. Adjusting Wind Speed
While the fan is on, press the power button repeatedly to cycle through the 5 available wind speed levels. The digital display will indicate the current speed setting.
5.3. Modes of Use
- Handheld Fan: Hold the fan directly for personal cooling.
- Desk Fan: Place the fan in its non-slip base on a flat surface. Adjust the fan head up to 90 degrees vertically to direct airflow.
- Neck Fan: Attach the lanyard and wear the fan around your neck. Adjust the fan head's angle for comfortable, hands-free cooling.

The fan in desk mode, folded 90 degrees, demonstrating its use for drying makeup with adjustable wind direction.
6. Maintenance
6.1. Cleaning the Fan
- Ensure the fan is turned off and unplugged from any power source before cleaning.
- Gently wipe the exterior of the fan with a soft, dry cloth.
- To clean the fan blades, carefully remove the front cover (if detachable) and wipe the blades with a dry or slightly damp cloth. Ensure all parts are completely dry before reassembling and using the fan.
- Do not immerse the fan in water or use harsh chemicals for cleaning.

Image showing how the front cover of the fan can be easily removed for cleaning the blades, ensuring hygienic use.
7. Troubleshooting
7.1. Fan Not Turning On
- Check the battery level on the digital display.
- Ensure the fan is fully charged.
- Press and hold the power button for a few seconds to ensure it's not just a quick press.
7.2. Weak Airflow
- Increase the wind speed setting by pressing the power button.
- Ensure the fan blades are clean and free from obstructions.
7.3. Unusual Noise During Operation
- Turn off the fan and check for any foreign objects or debris caught in the fan blades or grille.
- Ensure the fan is placed on a stable, flat surface if using the base.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | coldSky |
| Model Name | XY-88 |
| Color | Black |
| Power Source | Battery Powered |
| Battery Capacity | 4000mAh Lithium Ion (included) |
| Charging Time | 2.5 Hours (Type-C) |
| Working Time | 7-20 Hours |
| Number of Power Levels | 5 |
| Motor Type | Brushless |
| Number of Blades | 7 |
| Speed | 4000 RPM |
| Noise Level | 20 Decibels |
| Product Dimensions | 1.13"D x 3.54"W x 7.28"H |
| Item Weight | 6.3 ounces |
| Special Features | Adjustable Tilt, Foldable, LED Light (Digital Display) |
| Control Method | Touch |
| Included Components | Handheld fan, Lanyard, Non-slip base, Type-c charging cable, User manual |
9. Official Product Video
Official coldSky product video demonstrating the portable handheld fan's features, including its compact size, multiple speed settings, and versatile usage modes.
10. Warranty and Support
For warranty information and customer support, please refer to the product packaging or contact coldSky customer service directly. Contact details can typically be found on the product packaging or the official coldSky website.
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