1. Important Safety Information
Before using this product and its accessories, please read this manual carefully and retain it for future reference. Included accessories may vary by product.
1.1. Danger
- Keep the power supply unit dry.
1.2. Warnings
- Charging: Only use the detachable power supply component that comes with the product. Do not replace the plug of the power component yourself, as this may cause serious consequences.
- Children: Do not let children play with this product or have concerns about their own products.
- Inspection: Before use, always inspect the product. Do not use damaged products, as they may cause harm. Replace damaged components with original models.
- Battery: The built-in batteries cannot be replaced. Do not disassemble this product to replace the charging battery.
- Water Immersion: Never immerse the charging stand or the product in water. Do not use this product in the bath or shower.
- Temperature: Never rinse this product with hot water above 60°C.
- Intended Use: Use this product only for its intended purpose as shown in this user manual.
- Hygiene: For hygienic purposes, this product should only be used by one person.
- Cleaning Agents: Never use compressed gas, steel wool, abrasive cleaners, or corrosive liquids such as petrol or acetone to clean the product.
2. Product Overview
The Kemei KM-2373 is a professional hair trimmer designed for efficient and precise haircuts. It features a magnetic levitation motor, DLC stainless steel blades, and a range of guide combs for various cutting lengths.
2.1. Package Contents
The package typically includes the following items:
- 1 x Hair Clipper (Host)
- 6 x Cutting Guide Combs (1/2/3/4/5mm, and one additional)
- 1 x USB Charging Cable
- 1 x Cleaning Brush
- 1 x Charging Base
- 1 x Instruction Manual

2.2. Parts Identification

- Professional blade
- On/Off switch
- LCD display
- Limit comb (1/2/3/4/5mm)
- Protective cover
- Charging base
- Charging cable (USB)
- Lubricating oil (not included in package due to shipping restrictions)
- Cleaning brush
3. Setup
3.1. Initial Charging
Before first use, fully charge the hair trimmer. The device is equipped with a built-in lithium battery (2000 mAh).
- Connect the USB charging cable to the charging base.
- Place the trimmer onto the charging base, ensuring proper contact.
- Connect the USB cable to a power bank, a 5V=1A adapter, or a computer's USB port.
- The charging indicator light will illuminate. A full charge takes approximately 3 hours.
- When the battery is fully charged, the indicator light turns green. When the battery needs recharging, the light turns red.

3.2. Attaching/Detaching Guide Combs
The trimmer comes with 6 cutting guide combs (1/2/3/4/5mm and one additional) to adjust the cutting length.
- To Attach: Ensure the trimmer is switched OFF. Align the desired guide comb with the blade and push it firmly until it clicks into place.
- To Detach: Ensure the trimmer is switched OFF. Gently pull the guide comb away from the blade.
IMPORTANT: Always switch off the unit when inserting or removing the cutting rail (guide comb).
4. Operating Instructions
4.1. Power On/Off
- Press the On/Off switch (2) to turn the trimmer on or off.
- The LCD display (3) will show relevant information when the trimmer is on.
4.2. Adjusting Cutting Length
The trimmer features a 5-speed fine-tuning of the blade head and uses guide combs for length adjustment.
- Blade Adjustment Lever: Slightly rotate the side swing arm (cutting head adjustment lever) to fine-tune the blade head from 0.5mm to 3mm. This allows for gradient effects.
- Guide Combs: For longer lengths, attach one of the 5 cutting limit combs (1/2/3/4/5mm). The incision length is displayed on the limit comb.

4.3. Haircut Technique
- It is recommended to start with the highest setting (longest comb) and gradually decrease the setting until you reach your desired hair length.
- Point the corners of the comb toward the hair and guide the trimmer in the direction of hair growth.
- The product is suitable for both corded and cordless operation.

5. Maintenance
5.1. Cleaning
- Always turn off and unplug your appliance before cleaning.
- Clean the unit with a damp cloth. Never use detergents or solvents.
- After each use, clean the blades with the provided cleaning brush to remove any hair.
- To avoid hair clogging the comb, clean it with a brush from time to time during use.
5.2. Lubrication
To ensure long-term good performance, it is recommended to clean and lubricate the appliance frequently.
- After cleaning the blades with the brush, apply 2 or 3 drops of lubricating oil (not included in the package due to air transportation restrictions) to the blades.
- Let the machine run for a few seconds to properly lubricate the unit.
6. Troubleshooting
If you encounter any issues with your Kemei KM-2373 hair trimmer, please refer to the following common solutions:
- Trimmer not turning on: Ensure the battery is charged. Connect the trimmer to the charging base and check the charging indicator light.
- Poor cutting performance: Clean the blades thoroughly to remove any trapped hair. Lubricate the blades as described in the maintenance section. Ensure the guide comb is correctly attached.
- Excessive noise or vibration: Clean and lubricate the blades. If the issue persists, discontinue use and contact customer support.
- Battery not holding charge: Ensure the charging cable and base are properly connected and functioning. If the battery life significantly degrades, it may indicate a need for service (though the battery is not user-replaceable).
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Kemei |
| Model | KM-2373 |
| Motor Type | Magnetic Levitation Motor (ROTARY) |
| Motor Speed | 9000 rpm/min (Note: Some product images indicate 8800 rpm) |
| Blade Material | DLC Stainless Steel |
| Battery Type | Lithium Battery |
| Battery Capacity | 2000 mAH (Note: Some sources may indicate 2500 mAh) |
| Power | DC 5V-1A, 5W |
| Charging Time | 3 hours |
| Working Time | 120 minutes |
| Voltage | Global Universal (100-240V) |
| Product Material | ABS |
| Clean Method | Brush cleanup |
| Maximum Cutting Length | 11 - 20 mm (with guide combs) |
| Minimum Cutting Length | less than 0.5mm (without guide comb, fine-tuned) |
| Number of Nozzles | 5 or more pieces (6 guide combs included) |
| Product Size | Approx. 6cm (width) x 16cm (height) |
| Certification | UL, GS, CE, CCC |

8. Warranty and Support
8.1. Warranty Information
All Kemei products typically come with a 12-month warranty. However, please note that trimming units (blades) are considered wear and tear items and are generally not covered by the International Warranty.
8.2. User Manual (PDF)
A detailed user manual in PDF format is available for download. For further information and detailed diagrams, please refer to the official PDF manual: Kemei KM-2373 User Manual (PDF)
9. User Tips
- Lubrication is Key: Although lubricating oil is not included, regular oiling of the blades is crucial for maintaining cutting performance and extending the life of your trimmer. Use a suitable clipper oil.
- Check Specifications: Be aware that some product descriptions or images might show slightly different specifications (e.g., motor speed, battery capacity). Always refer to the most recent official manual for the most accurate details.
- Clean After Every Use: A quick brush-down after each haircut prevents hair buildup, which can affect performance and battery life.