MERTTURM HF002

MERTTURM Handheld Portable Fan (Model HF002) Instruction Manual

Model: HF002

Important Safety Information

Please read all instructions carefully before using this product and retain them for future reference. Improper use may result in electric shock, fire, or other hazards.

  • Do not disassemble, repair, or modify the fan.
  • Keep the fan away from water and high humidity environments.
  • Do not insert fingers or foreign objects into the fan's air outlet.
  • Use only the provided USB-C charging cable and a compatible power adapter (5V/2A recommended).
  • Keep out of reach of children.
  • Avoid dropping the fan or subjecting it to strong impacts.

Product Overview

The MERTTURM Handheld Portable Fan (Model HF002) is a versatile and compact cooling device featuring a turbocharged system, 5 adjustable speeds, an LED digital display, and a 3600mAh rechargeable battery. Its foldable design allows for handheld, desk, or neck-worn use.

MERTTURM Handheld Portable Fan in Green

Image: The MERTTURM Handheld Portable Fan in its green color variant, showcasing its compact and modern design.

Internal components of the MERTTURM fan showing brushless motor and turbine blades

Image: An exploded view of the fan's internal structure, highlighting the high-speed brushless motor and turbine fan blades responsible for powerful airflow.

What's in the Box

Verify that all the following items are included in your package:

  • 1 x MERTTURM Handheld Portable Fan
  • 1 x User Manual
  • 1 x USB-C Charging Cable
  • 1 x Lanyard
Contents of the MERTTURM fan package including fan, cable, manual, and box

Image: The complete package contents, showing the fan, USB-C charging cable, user manual, and product box.

Setup

Charging the Fan

Before first use, fully charge the fan. The LED display will show the battery level.

  1. Connect the provided USB-C charging cable to the fan's charging port.
  2. Connect the other end of the USB-C cable to a USB power source (e.g., USB adapter, laptop, power bank, car charger).
  3. The LED display will indicate charging status. A full charge typically takes approximately 2 hours.
MERTTURM fan connected to a USB-C charging cable

Image: The MERTTURM fan being charged via its USB-C port, illustrating the connection method.

Attaching the Lanyard

For hands-free use, attach the included lanyard to the designated loop on the fan's handle.

Operating Instructions

Power On/Off

  • To Power On: Short press the power button once. The fan will start at speed 1.
  • To Power Off: Long press the power button for at least 2 seconds.

Adjusting Fan Speed

The fan has 5 adjustable speed levels.

  • While the fan is on, short press the power button to cycle through speeds 1 to 5.
  • Each press will increase the speed by one level. After speed 5, it will cycle back to speed 1.

Understanding the LED Display

The integrated LED display shows the current fan speed and remaining battery power.

  • Fan Speed: A number from 1 to 5 indicates the active fan speed.
  • Battery Level: A battery icon with bars indicates the remaining power (e.g., 4 bars for 100%-75%, 1 bar for 25%-5%).
MERTTURM fan LED display showing speed and battery level

Image: Close-up of the fan's LED display, clearly showing the current wind speed (e.g., '5') and the battery charge level indicator.

Diagram of fan button operation for power and speed

Image: A visual guide demonstrating the simple one-button operation for switching the fan on/off and adjusting the speed, along with battery indicator explanations.

Usage Modes

The fan's foldable design allows for multiple usage configurations:

  • Handheld Mode: Use the fan unfolded (180°) for personal cooling on the go.
  • Desk Fan Mode: Fold the fan to a 90° angle to place it stably on a table or desk.
  • Neck-Worn Mode: Attach the lanyard and wear the fan around your neck for hands-free cooling.
Three different cooling positions: neck-worn, desk, and handheld

Image: Illustration of the fan's versatile 3-in-1 cooling positions, showing it used around the neck, as a desk fan, and held in hand.

Maintenance

Cleaning

To ensure optimal performance and longevity, clean the fan regularly.

  • Ensure the fan is powered off before cleaning.
  • Wipe the exterior of the fan with a soft, dry cloth.
  • Do not use abrasive cleaners, solvents, or immerse the fan in water.
  • The hidden blade design minimizes dust accumulation; however, if necessary, use a soft brush or compressed air to gently clear any dust from the air outlet.

Storage

When not in use for extended periods, store the fan in a cool, dry place, away from direct sunlight.

Troubleshooting

ProblemPossible CauseSolution
Fan does not turn onLow battery
Power button not pressed correctly
Charge the fan fully.
Ensure a short press for ON, long press for OFF.
Weak airflowLow battery
Fan speed set too low
Charge the fan.
Increase the fan speed using the power button.
Fan stops unexpectedlyBattery depletedRecharge the fan.
LED display not workingFan is off
Malfunction
Turn on the fan.
Contact customer support if the issue persists.

Specifications

FeatureDetail
BrandMERTTURM
Model NameHF002
ColorGreen
Electric Fan DesignWearable Fan
Power SourceBattery Powered (Rechargeable)
Battery Capacity3600mAh
Number of Speeds5
Max Speed13000 RPM
Wattage7 Watts
Voltage5 Volts
Product Dimensions (D x W x H)17D x 6W x 5H Centimeters
Item Weight195 Grams
Material TypeAcrylonitrile Butadiene Styrene (Plastic)
Connector TypeUSB Type C
Special FeaturesBladeless, Foldable, High Velocity, Portable, LED Display
Country of OriginChina

Warranty

This MERTTURM Handheld Portable Fan (Model HF002) comes with a 120-day warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance. Please retain your proof of purchase for warranty claims.

Customer Support

For any questions, technical assistance, or warranty claims, please contact MERTTURM customer support:

  • Manufacturer Contact: muyo.us@outlook.com
  • Packer Contact (Shenzhen Qifeng E-Commerce Co., Ltd): qifeng.in@outlook.com
  • Importer Contact (TIGER PUG COMMERCE PRIVATE LIMITED): 022-6879 5151, consumerservices@tigerpug.com

When contacting support, please provide your product model (HF002) and a detailed description of the issue.

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