Introduction
Thank you for choosing the PHENSEN 4-in-1 Turbo Handheld Fan. This versatile and powerful fan is designed to provide optimal cooling in various scenarios, from intense workouts to quiet office work. With its 100-speed precision control, long-lasting battery, and ultra-portable design, it's your perfect companion for staying cool. Please read this manual carefully to ensure proper use and maintenance of your device.

The PHENSEN 4-in-1 Turbo Handheld Fan, showcasing its compact and versatile design in pink.
Product Features
- 4-in-1 Turbo Cooling: Features a 7-blade turbo fan (10,000 RPM) for 3X more airflow than standard fans. Functions as a neck fan, desk fan, or handheld cooler with a 160° adjustable head.
- 100-Speed Precision Control: Offers 100 adjustable speed levels with quick presets (1/20/40/60/80/100) and fine-tuning capability. Operates quietly at under 30dB.
- 5000mAh Long-Lasting Battery: Provides up to 15 hours of continuous cooling on a single charge. Supports USB-C fast charging from various sources.
- Ultra-Portable Design: Weighs only 197g (0.43 lbs), foldable, and includes a metal carabiner clip for easy attachment to bags, belts, or tents.
- Smart LED Display: Shows real-time wind speed and battery percentage for easy monitoring.

The fan's advanced 7-blade turbo design and brushless motor deliver superior airflow.

Equipped with a 5000mAh battery for extended use and an LED screen for battery monitoring.

Choose from 6 preset wind modes to suit various cooling needs.
Package Contents
Please check the box for the following items:
- PHENSEN 4-in-1 Turbo Handheld Fan
- Adjustable Strap
- USB-C Charging Cable
- User Manual
Setup
- Initial Charge: The product is not fully charged at purchase. For optimal performance and battery longevity, fully charge the fan before its first use. Connect the provided USB-C cable to the fan's charging port and a compatible power source (wall charger, power bank, laptop, or car charger). The LED display will show charging progress.
- Attach Strap/Carabiner: If desired, attach the adjustable strap or use the integrated metal carabiner clip for hands-free carrying or securing the fan.
Operating Instructions
- Power On/Off: Locate the power switch on the side of the fan. Press and hold the power switch to turn the fan on or off.
- Adjusting Speed:
- Quick Presets: Tap the power switch to cycle through preset speed levels (1, 20, 40, 60, 80, 100).
- Fine-Tune Control: Press and hold the power switch to continuously adjust the speed between 1 and 100. Release when the desired speed is reached.
- Adjusting Head Angle: The fan head can be adjusted up to 160° to direct airflow precisely where needed. Gently pivot the fan head to your preferred angle.
- Digital Display: The integrated LED display shows the current wind speed (01-100) and the remaining battery percentage.

Key controls and display features of the PHENSEN fan.

The digital display provides real-time information on fan settings and battery status.

The fan head can be adjusted up to 160 degrees for flexible cooling.
Charging
The PHENSEN fan is equipped with a 5000mAh battery, providing extended usage. A full charge takes approximately 3 hours and can deliver up to 15 hours of continuous use, depending on the speed setting.
- Connect the fan to any standard USB-C power source.
- Compatible charging methods include: wall chargers, power banks, laptops, and car chargers.
- The LED display will indicate charging status and battery percentage.

The fan supports multiple convenient USB-C charging methods.
Maintenance
- Cleaning: Ensure the fan is turned off and unplugged before cleaning. Use a soft, dry cloth to wipe the exterior. For the fan blades, use a soft brush or compressed air to gently remove dust and debris. Do not use harsh chemicals or abrasive materials.
- Long-Term Storage: If not using the product for extended periods, recharge it at least once a month to prevent battery damage from over-discharge. Store in a cool, dry place away from direct sunlight.
- Protective Film: Remember to remove any protective film from the fan's display or body before first use for maximum wind power and clear visibility.

Refer to this table for common maintenance tips and solutions.
Troubleshooting
If you encounter any issues with your PHENSEN fan, please refer to the table below for common problems and their solutions:
| Issue | Possible Cause | Solution |
|---|---|---|
| Weak airflow | Blocked rear intake | Ensure the intake is unobstructed. |
| Slow charging | Low-output adapter | Use a 5V/2A or higher adapter. |
| Loud noise | Unstable placement (desk use) | Place on a flat, stable surface. |
| Debris | Foreign objects in the fan blades | Inspect the fan blades for any foreign objects and remove all. |
If the issue persists after trying these solutions, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | PHENSEN |
| Model Name | F15 |
| Color | Pink |
| Power Source | Battery Powered |
| Battery Capacity | 5000mAh |
| Max Runtime | Up to 15 Hours |
| Charge Time | Approx. 3 Hours |
| Product Dimensions | 1.97"D x 2.44"W x 7.87"H |
| Item Weight | 1.13 ounces (197g / 0.43 lbs) |
| Special Features | Portable, LED Light, Lightweight, Vortex Action, Foldable, 160° Adjustable Head |
| UPC | 743456322936 |
Warranty & Support
Your PHENSEN 4-in-1 Turbo Handheld Fan comes with a 1-Year Warranty, ensuring free replacement for any manufacturing defects.
PHENSEN is committed to providing excellent customer service. We offer:
- Lifetime Technical Support
- 365 Days Replacement Service
- 12 Hours Fast Response to inquiries
For any questions, concerns, or support needs, please contact our customer service team via the contact information provided on the product packaging or our official website.


PHENSEN offers a 1-year warranty and dedicated customer support.