1. Introduction
Thank you for choosing the Kemei Professional Rechargeable Electric Hair Clipper KM-2820. This manual provides essential information for the safe and effective use, maintenance, and care of your new hair clipper. Please read these instructions carefully before first use and keep them for future reference.
2. Product Overview
2.1 Package Contents
Please check the package contents to ensure all items are present:
- 1 x Kemei Electric Hair Clipper (Model KM-2820)
- 1 x Power Adapter
- 4 x Guide Combs (3mm, 6mm, 9mm, 12mm)
- 1 x Cleaning Brush
- 1 x User Manual

Image: The Kemei KM-2820 hair clipper and its accessories, including the power adapter, four guide combs, and cleaning brush, displayed in their retail packaging.
2.2 Product Components
Familiarize yourself with the main parts of your hair clipper:
- Cutting Blade: High-quality steel blades for precise cutting.
- Power Switch: To turn the clipper on and off.
- Adjustable Taper Lever: For fine-tuning cutting lengths (1.0mm, 1.3mm, 1.6mm, 1.9mm).
- Charging Port: For connecting the power adapter.
- Guide Comb Attachment Points: For securing the guide combs.

Image: Side view of the Kemei KM-2820 hair clipper, showcasing its ergonomic design and power switch.

Image: Front view of the Kemei KM-2820 hair clipper, highlighting the Kemei logo and the adjustable taper lever.
3. Setup
3.1 Charging the Clipper
- Ensure the clipper is switched off.
- Connect the power adapter to the charging port on the clipper.
- Plug the adapter into a suitable electrical outlet (100-240V, 50/60Hz).
- Allow approximately 5 hours for a full charge. A full charge provides approximately 1 hour of cordless use.
- The clipper can also be used while connected to the power adapter.
3.2 Attaching Guide Combs
The clipper comes with four guide combs (3mm, 6mm, 9mm, 12mm) to achieve different hair lengths.
- Select the desired guide comb.
- 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.
4. Operating Instructions
4.1 Basic Operation
- Ensure the clipper is charged or connected to power.
- Attach the appropriate guide comb for your desired hair length.
- Press the power switch to turn the clipper on.
- Hold the clipper with the blade facing downwards and move it against the direction of hair growth.
- For best results, use slow, even strokes.
- After use, press the power switch to turn the clipper off.
4.2 Adjusting Cutting Length (Without Guide Comb)
The clipper features an adjustable taper lever for precise cutting lengths without a guide comb. The available lengths are 1.0mm, 1.3mm, 1.6mm, and 1.9mm.
- Move the taper lever up or down to select the desired cutting length.
- Use these settings for fading, blending, or very short cuts.

Image: Close-up view of the Kemei KM-2820 hair clipper's cutting head, illustrating the adjustable taper lever for precise length control.
5. Maintenance
5.1 Cleaning the Blades
Regular cleaning ensures optimal performance and extends the life of your clipper.
- Turn off the clipper and disconnect it from the power adapter.
- Remove any attached guide comb.
- Use the provided cleaning brush to brush away loose hair from the blades and the clipper head.
- The clipper body is not waterproof. Do not rinse the entire unit under water. Keep it in a dry environment.

Image: Detailed view of the Kemei KM-2820 hair clipper's steel blade mechanism, showing the components that require regular cleaning.
5.2 Blade Lubrication
To maintain the sharpness and smooth operation of the blades, it is recommended to lubricate them regularly. Due to international shipping regulations, lubricating oil is not included in the package. Please use a suitable clipper oil (light machine oil) after every few uses.
- Apply a few drops of clipper oil to the teeth and sides of the blades.
- Turn on the clipper for a few seconds to distribute the oil evenly.
- Wipe off any excess oil with a soft cloth.
6. Safety Information
- This appliance is intended for household use only.
- Do not immerse the clipper body in water or use it in wet conditions, as it is not waterproof.
- Keep the appliance dry and store it in a dry environment.
- Keep out of reach of children.
- Always turn off the clipper before cleaning or performing maintenance.
- Do not use the appliance if the blades are damaged or broken, as this may cause injury.
- Use only the provided power adapter for charging.
7. Troubleshooting
If you encounter any issues with your Kemei hair clipper, please refer to the following common solutions:
- Clipper not turning on: Ensure the clipper is fully charged or connected to a working power outlet. Check the power switch.
- 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.
- Unusual noise: Clean and lubricate the blades. If the noise persists, discontinue use and contact customer support.
If the problem persists after attempting these solutions, please contact Kemei customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Model | KM-2820 |
| Brand | KEMEI |
| Material | ABS + Steel (Blade Material: Alloy Steel) |
| Voltage | 100-240V |
| Frequency | 50/60Hz |
| Power | 3W |
| Charging Time | 5 hours |
| Usage Time (Full Charge) | 1 hour |
| Guide Comb Lengths | 3mm, 6mm, 9mm, 12mm |
| Adjustable Cutting Head Lengths | 1.0mm, 1.3mm, 1.6mm, 1.9mm |
| Dimensions (H x W) | 17.5 x 4.3 cm |
| Weight | 238 grams |
| Color | Black |
| Power Source | Corded Electric |
| Special Features | Portable, Rechargeable (Note: Not waterproof) |
| Target Audience | Men |
| Hair Type | Beard, Hair |
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. You may also visit the official Kemei website for customer service contact details.





