1. Introduction
Thank you for choosing the Kemei KM-1990 Professional Hair Clipper. This manual provides essential information for the safe and effective use, maintenance, and care of your new hair clipper. Please read it thoroughly before first use and keep it for future reference.
Video: Kemei KM-1990 Hair Clipper Product Overview
2. Package Contents
Ensure all items listed below are present in your package:
- 1 x Kemei KM-1990 Hair Clipper (Host)
- 4 x Guide Combs (3mm, 6mm, 10mm, 13mm)
- 1 x Protective Cap
- 1 x Lubricating Oil
- 1 x Instruction Manual
- 1 x Cleaning Brush
- 1 x Power Adapter (EU Plug)

Image: All included accessories for the Kemei KM-1990 Hair Clipper.
3. Specifications
| Feature | Detail |
|---|---|
| Model | KM-1990 |
| Power Supply | Rechargeable (EU Plug) |
| Working Time | 120 Minutes |
| Charging Time | 3 Hours |
| Blade Material | Stainless Steel |
| Clean Method | Water wash blade |
| Voltage | 110-240V |
| Power | 5W |
| Product Dimensions | 18.6 x 4.5 x 4 cm |
| Product Weight | 271g |
| Cutting Length | 0.8-13mm (adjustable) |
| Motor Type | ROTARY |
| Functions | Wet haircut, Dry haircut, Washing blades under water, Charging indication |
| Length Adjustment Method | Change of nozzles |
| Number of Nozzles | 4 pcs |
| Material | ABS |
| Certifications | 3C, CE, UL, GS, RoHS, FCC |

Image: Detailed product specifications and dimensions.
4. Key Features
- Precise Cutting: Equipped with a sharp blade design and an efficient motor for accurate and fast hair cutting.
- LED Display: Features an LED screen to show current cutting height and battery level for intelligent usage monitoring.
- Multi-speed Adjustment: Allows for different speed settings (P1) to control blade speed and force, enhancing haircut efficiency and quality.
- Ergonomic Design: Designed for a comfortable grip, ensuring ease of use and a smoother haircut experience.
- Fast Charging: Incorporates fast charging technology for extended use after a short charging period.
- Water Wash Blade: The cutter head can be washed under running water for easy cleaning.

Image: Visual representation of the clipper's main features.
5. Setup
5.1 Initial Charging
Before first use, fully charge the hair clipper. Connect the power adapter to the clipper and plug it into a suitable power outlet (110-240V). The LED display will indicate the charging status and battery level. A full charge takes approximately 3 hours and provides up to 120 minutes of working time.

Image: Charging the Kemei KM-1990 Hair Clipper.
5.2 Attaching Guide Combs
Select the desired guide comb (3mm, 6mm, 10mm, or 13mm) for your preferred cutting length. Align the comb with the clipper blade and push it firmly until it clicks into place. To remove, gently pull the comb away from the blade.

Image: Guide combs for various cutting lengths.
6. Operating Instructions
6.1 Power On/Off
Press the power button located on the front of the clipper to turn it on or off. The LED display will illuminate when the device is active.

Image: Kemei KM-1990 Hair Clipper with LCD display.
6.2 Adjusting Cutting Length
The clipper features a fine steel cutter head with an adjustable R-shaped sharp angle cutting blade. You can adjust the blade length directly on the clipper for precise cutting from 0.8mm to 13mm. Use the lever on the side of the clipper to fine-tune the blade position. For longer cuts, attach the appropriate guide comb.

Image: Adjusting the fine steel cutter head.
6.3 LED Display Information
The integrated LED display shows the current battery percentage and may indicate other statuses such as charging or a lock function. Monitor the battery level to ensure uninterrupted use.

Image: LCD Power Display showing battery level.
7. Maintenance
7.1 Cleaning the Blades
After each use, turn off the clipper and remove any attached guide comb. Use the provided cleaning brush to brush away loose hairs from the blades. The blades are designed for water washing; you can rinse the cutter head under running water. Ensure the clipper is completely dry before storing or recharging.

Image: Cleaning the water-washable blade.
7.2 Oiling the Blades
Regularly apply a few drops of the included lubricating oil to the blades to maintain their sharpness and ensure smooth operation. Do this after cleaning and before storing the clipper.
8. Troubleshooting
- Clipper not turning on: Ensure the battery is charged. If not, connect it to the charger.
- Reduced cutting performance: Clean the blades thoroughly and apply lubricating oil. Check if hair is jammed between the blades.
- Unusual noise: Clean and oil the blades. If the noise persists, contact customer support.
- Battery not charging: Ensure the adapter is correctly connected to both the clipper and the power outlet. Check the power outlet for functionality.
9. User Tips
- For best results, always start with a longer guide comb and gradually switch to shorter ones if needed.
- Always ensure hair is clean and dry before cutting, unless performing a wet haircut.
- Move the clipper against the direction of hair growth for an even cut.
- Regular oiling of the blades is crucial for maintaining their longevity and performance.
- Store the clipper in a dry place, ideally using its hook design for convenient storage.

Image: Convenient hook design for storage.
10. Warranty and Support
All Kemei products come with a 12-month 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 normal wear and tear.
If you encounter any issues with your Kemei KM-1990 Hair Clipper, please contact the seller or Kemei customer support for assistance. When contacting support, please have your purchase details and product model number (KM-1990) ready.
If the item is damaged during shipping, please contact us first and ensure the item remains in its original condition. We will review your situation and provide a solution accordingly.





