KEMEI KM-1858
KEMEI Professional Hair Clippers User Manual
Model: KM-1858
Brand: KEMEI
Introduction
Thank you for choosing the KEMEI Professional Hair Clippers, Model KM-1858. This cordless hair cutting kit is designed for precise and efficient hair and beard trimming, suitable for both personal and professional use. Please read this manual thoroughly before operating the device to ensure safe and optimal performance.
Safety Information
For your safety and to prevent damage to the product, please adhere to the following precautions:
- Always unplug the hair clipper before cleaning.
- Do not submerge the clipper in water or use it near water (e.g., in a bath or shower).
- Keep the clipper away from heat sources.
- Avoid charging in damp conditions.
- Keep out of reach of children. Always supervise children when the clipper is in use or accessible.
- Do not ingest or inhale small parts.
- Only use the charger provided or recommended by the manufacturer.
- Do not operate the clipper if it has a damaged cord or plug, or if it is not working properly.
- Do not attempt to repair the appliance yourself. Contact qualified service personnel.
Package Contents
Upon opening the package, verify that all items listed below are present:

Image: KEMEI KM-1858 Hair Clipper, various guide combs, charging cable, cleaning brush, and oil bottle.
- KEMEI KM-1858 Hair Clipper
- 10 Limit Combs (1.5mm, 3mm, 4.5mm, 6mm, 9mm, 12mm, 15mm, 18mm, 21mm, 24mm)
- USB Charging Cable
- Cleaning Brush
- Lubricating Oil
- Hair Cutting Cape
- Comb
Product Features

Image: Detailed view of the clipper's controls and features.

Image: Focus on the sharp, DLC-coated blade for smooth cutting.
- Advanced Blade Technology: Features self-sharpening carbon steel blades with DLC coating for smooth, precise cutting without snagging.
- High-Capacity Battery: Equipped with a 4600mAh Lithium-Ion battery, providing up to 360 minutes (6 hours) of continuous use on a 2.5-hour charge.
- Digital Display: An integrated digital display shows current RPM (motor speed) and available usage time, allowing for easy monitoring.
- Adjustable Motor Speed: Offers 5 speed settings (7000/7500/8000/8500/9000 RPM) to suit different hair types and cutting needs.
- Cutterhead Adjustment: Precise lever for easy adjustment of cutting length without guide combs.
- USB Charging: Convenient USB charging port allows for multiple charging options (computer, plug, mobile power, car charger).
- Integrated Lighting: Built-in light for enhanced visibility during haircuts.
- Hanging Ring Design: Features a magnetic pull ring for easy storage and hygiene.
Setup
Initial Charging
Before first use, fully charge the hair clipper. Connect the USB charging cable to the clipper's charging port and plug the other end into a compatible USB power source (e.g., computer, wall adapter, power bank). The digital display will indicate charging status. A full charge takes approximately 2.5 hours.

Image: Illustrates the USB charging process and battery information.
Attaching Guide Combs
Select the desired guide comb for your preferred hair length. Align the comb with the clipper blade and push firmly until it clicks into place. Ensure it is securely attached before use.

Image: Demonstrates the variety of guide combs and their attachment.
Operating Instructions
Power On/Off
Press the power button to turn the clipper on or off. The digital display will illuminate upon activation.
Adjusting Motor Speed (RPM)
Use the '+' and '-' buttons to adjust the motor speed. The digital display will show the current RPM (7000-9000 RPM). Higher RPM is suitable for thicker hair, while lower RPM provides more control for delicate areas.

Image: Illustrates the digital display and speed adjustment controls.
Cutterhead Length Adjustment
The side lever allows for fine-tuning the cutting length of the blade itself, independent of the guide combs. Move the lever up or down to adjust the blade's position for precise length control.

Image: Shows the cutterhead adjustment lever.
Using the Integrated Light
Press the light button to activate the built-in light, providing better visibility during haircuts, especially in dimly lit areas.

Image: Demonstrates the clipper's integrated lighting feature.
Hair Cutting Tips
- Ensure hair is clean and dry before cutting.
- Start with a longer guide comb and gradually reduce length if needed.
- Cut against the direction of hair growth for best results.
- Use smooth, even strokes.
- Regularly clear hair from the blade during use to maintain performance.
Video: Demonstrates the KEMEI 1858 Hair Clipper in use, showcasing its features and operation, including blade adjustment and comb attachment.
Maintenance
Cleaning the Blades
After each use, turn off and unplug the clipper. Use the provided cleaning brush to remove any hair clippings from the blades. The blade can be rinsed directly under running water without disassembly for easy cleaning. Ensure the blade is dry before storage.
Oiling the Blades
To maintain optimal cutting performance and blade longevity, apply a few drops of the provided lubricating oil to the blades after every few uses or as needed. Turn the clipper on for a few seconds to distribute the oil evenly.
Storage
Store the clipper in a dry, cool place, away from direct sunlight and moisture. The magnetic pull ring allows for convenient hanging storage.

Image: Shows the clipper's hanging ring design for clean and space-saving storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clipper does not turn on. | Battery is depleted. | Charge the clipper fully. |
| Clipper pulls hair or cuts unevenly. | Blades are dull or clogged with hair. Blades need oiling. | Clean the blades thoroughly. Apply lubricating oil to the blades. |
| Clipper makes unusual noise. | Blades are not properly aligned or oiled. | Check blade alignment. Apply lubricating oil. If problem persists, contact support. |
| Battery life is shorter than expected. | Battery not fully charged. Old battery. | Ensure full charge cycle. Over time, battery capacity may decrease. |
Specifications
- Model: KM-1858
- Brand: KEMEI
- Blade Material: Carbon Steel with DLC Coating
- Motor Speed: 7000-9000 RPM (5 adjustable speeds)
- Battery Type: Lithium Polymer
- Battery Capacity: 4600mAh
- Charging Time: Approximately 2.5 hours
- Usage Time: Up to 360 minutes (6 hours)
- Input: USB Charging
- Dimensions: 10.63 x 9.25 x 2.44 inches
- Weight: 2.36 Pounds
- Country of Origin: China
Warranty and Support
KEMEI products are manufactured with high-quality standards. For warranty information or technical support, please refer to the product packaging or contact your retailer. Keep your purchase receipt as proof of purchase.
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