1. Introduction
Thank you for choosing the Kemei KM-2628 Professional Hair Trimmer. This electric clipper is designed for precise and efficient hair trimming, suitable for both professional salon use and personal grooming at home. Featuring an adjustable blade, LCD display, and a powerful motor, it offers a versatile and comfortable grooming experience. Please read this manual thoroughly before first use to ensure safe and optimal performance of your device.
2. Important Safety Instructions
To reduce the risk of electric shock, injury, or fire, always follow these basic safety precautions:
- Keep the appliance dry. Do not use it near water or in wet conditions.
- Do not immerse the appliance in water or any other liquid.
- Always unplug the appliance immediately after use and before cleaning.
- Do not reach for an appliance that has fallen into water. Unplug immediately.
- Close supervision is necessary when this appliance is used by, on, or near children or individuals with certain disabilities.
- Use this appliance only for its intended household use as described in this manual. Do not use attachments not recommended by the manufacturer.
- Never operate the appliance if it has a damaged cord or plug, if it is not working properly, or if it has been dropped or damaged.
- Keep the cord away from heated surfaces.
- Never drop or insert any object into any opening.
- Do not use outdoors or operate where aerosol (spray) products are being used or where oxygen is being administered.
- Always attach the plug to the appliance first, then to the outlet. To disconnect, turn all controls to OFF, then remove the plug from the outlet.
- The oil bottle is not included due to air shipping limitations.
3. Package Contents
Upon opening your Kemei KM-2628 Hair Trimmer package, you should find the following items:
- Kemei KM-2628 Professional Hair Trimmer
- 4 Guide Combs (various lengths)
- USB Charging Cable
- Cleaning Brush
- User Manual

Figure 1: Kemei KM-2628 Hair Trimmer with included accessories (color box version).
Video 1: Unboxing and initial demonstration of the Kemei KM-2628 Hair Trimmer.
4. Product Overview
Familiarize yourself with the components of your Kemei KM-2628 Hair Trimmer:

Figure 2: Key components of the Kemei KM-2628 Hair Trimmer.
- Clean Steel Cutter Head: High-quality stainless steel blades designed for smooth and sharp cutting. Features R-shaped rounded corners to protect the skin and prevent hair from getting stuck.
- Adjustable Moving Knife: A side swing lever allows manual adjustment of the knife for different hair lengths and styles.
- Power Switch: Located on the side for easy on/off operation.
- Numeric Display: An LCD screen showing battery level and other operational information.
- Portable Hook: For convenient storage.
- Charging Socket: USB compatible for flexible charging.

Figure 3: Detail of the adjustable moving knife for precise length control.

Figure 4: The R-type fillet cutter head ensures smoothness and sharpness while protecting the skin.
5. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Kemei |
| Model Number | KM-2628 |
| Item Type | Hair Trimmer |
| Power | 5W |
| Voltage | <20V |
| Power Type | Mains and battery operation |
| Motor Type | ROTARY |
| Battery Type | 2000mAh |
| Battery Charging Time | More than 2 hours (Full charge: 3 hours) |
| Battery Life / Discharge Time | Over 90 minutes (Up to 180 minutes) |
| Is Batteries Included | Yes |
| Blade Material | Stainless steel |
| Minimum Cutting Length | Less than 0.5mm |
| Maximum Cutting Length | Over 20 mm |
| Length Adjustment Method | Change of nozzles, Adjustable moving knife |
| Number of Nozzles | 3 - 4 pcs |
| Function | Wet haircut, Dry haircut, Fast Charging |
| Purpose | For beard and mustache, For the head |
| Material | ABS |
| Commodity Quality Certification | CE |
| Origin | Mainland China |
| Package Dimensions (L x W x H) | 23cm x 13cm x 7cm |
| Package Weight | 0.713 kg |
6. Setup and Initial Use
6.1 Charging the Trimmer
- Before first use, fully charge the trimmer for approximately 3 hours.
- Connect the USB charging cable to the charging socket on the trimmer.
- Plug the other end of the USB cable into a compatible USB power source (e.g., computer, power bank, car charger, or a USB wall adapter).
- The LCD display will indicate the charging status. A full charge provides up to 180 minutes of cordless operation.

Figure 5: USB charging options for your trimmer.
6.2 Attaching Guide Combs
- Ensure the trimmer is turned OFF before attaching or detaching guide combs.
- Select the desired guide comb length.
- Align the comb with the trimmer blade and push it firmly until it clicks into place.
- To remove, gently pull the comb away from the blade.
7. Operating Instructions
7.1 Basic Operation
- Press the Power Switch to turn the trimmer ON. The LCD display will illuminate.
- To turn OFF, press the Power Switch again.
7.2 Adjusting Cutting Length
- Using Guide Combs: For consistent cutting lengths, attach one of the provided guide combs. The combs offer various lengths for different styles.
- Adjustable Moving Knife: For fine-tuning and blending, use the side swing lever to manually adjust the blade's position. This allows for precise control over the cutting length without changing combs.

Figure 6: Adjusting the moving knife for customized cutting lengths.
7.3 Trimming Hair and Beard
- Ensure hair is clean and dry for best results, unless performing a wet haircut.
- Start with a longer guide comb if you are unsure of the desired length.
- Move the trimmer against the direction of hair growth for an even cut.
- For detailing and sharp lines, remove the guide comb and use the adjustable blade for precise trimming. The "One Touch Start" feature ensures a close, clean shave without leaving black spots.

Figure 7: The trimmer's ability to shave quickly and cleanly without leaving black spots.
8. Maintenance and Care
8.1 Cleaning the Trimmer
- Turn off the trimmer and unplug it from the power source.
- Remove any attached guide comb.
- Use the provided cleaning brush to remove loose hairs from the blade and trimmer body.
- For a more thorough clean, the blade can be rinsed under running water (ensure the trimmer body remains dry if not specified as fully waterproof).
- Allow the blade to air dry completely before reattaching or storing.
8.2 Oiling the Blades
Regular oiling helps maintain blade sharpness and smooth operation. Apply a few drops of clipper oil (not included) to the blades after every few uses or after cleaning with water. Turn the trimmer on for a few seconds to distribute the oil evenly.
8.3 Storage
Store the trimmer in a cool, dry place, away from direct sunlight and out of reach of children. Ensure the trimmer is clean and dry before storing.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not turn on. | Low battery or no charge. | Charge the trimmer for at least 3 hours. Check the LCD display for battery level. |
| Trimmer pulls hair or cuts unevenly. | Blades are dull, dirty, or not oiled. Hair is too thick or wet for dry trimming. | Clean and oil the blades. Ensure hair is dry if not using for wet haircut. Consider trimming smaller sections. |
| Trimmer makes unusual noise. | Blades are not properly aligned or need oiling. | Clean and oil the blades. If the issue persists, contact customer support. |
10. User Tips
- For a smoother cut, always ensure your hair is detangled before trimming.
- When trimming, move the clipper at a steady, even pace. Avoid rushing to prevent uneven cuts.
- Regularly check the LCD display for battery status to avoid interruptions during grooming.
- Experiment with different guide combs and the adjustable moving knife to find your preferred cutting lengths and styles.
11. Warranty and Support
Kemei products are manufactured to high-quality standards. For any issues or support, please refer to your purchase platform or contact the seller directly. This product may be eligible for free returns within 90 days of purchase, depending on the retailer's policy.
For further assistance, please visit the Kemei Hair Clipper Store or the official Kemei website.





