Introduction
Thank you for choosing the Hatteker K31S-HY Cordless Hair Clipper and Trimmer. This manual provides essential information for the safe and effective use of your new device. Please read these instructions carefully before first use and retain them for future reference.
Important Safety Instructions
To reduce the risk of electric shock, injury, or fire, always follow these basic safety precautions:
- Do not immerse the appliance in water or other liquids.
- Keep the appliance away from water sources.
- Do not use the appliance if it is damaged.
- Ensure the charging voltage matches your local power supply.
- Keep out of reach of children.
- Unplug the appliance before cleaning.
- Do not use attachments not recommended by the manufacturer.
- Avoid using the appliance on irritated skin.
- Do not open the appliance casing; refer all servicing to qualified personnel.
Package Contents
Verify that all items are present in your package:
- Hatteker K31S-HY Hair Clipper
- Charging Base
- USB Charging Cable
- 8 Attachment Guide Combs (1.5mm, 3mm, 4.5mm, 6mm, 10mm, 13mm, 16mm, 19mm)
- Cleaning Brush
- Barber Cape
- User Manual

Image: Contents of the Hatteker K31S-HY Hair Clipper package, including the clipper, charging base, various guide combs, USB cable, cleaning brush, and barber cape.
Product Overview
The Hatteker K31S-HY is a cordless hair clipper designed for precision and ease of use. It features a durable metal body and a powerful motor.
Key Features:
- All-Metal Sharp Blades: Self-sharpening blades for consistent performance without tugging.
- Powerful Rotary Motor: 10W motor for efficient and quiet cutting (below 60dB).
- Adjustable Taper Lever: Fine-tune cutting length from 0.8mm to 2.0mm.
- LED Display: Shows remaining power, charging reminder, and travel lock status.
- Dual Charging Methods: Charge via base or direct USB cable.
- Long Battery Life: Up to 180 minutes run time on a 2.5-hour charge.

Image: Detailed view of the clipper's adjustable taper lever and blade, illustrating the 0.8mm to 2.0mm adjustment range.

Image: The Hatteker K31S-HY clipper's LED display, indicating remaining battery power, charging status, and oil reminder.
Setup and Initial Use
Charging the Clipper:
- Before first use, fully charge the clipper for approximately 2.5 hours.
- Connect the USB charging cable to the charging base or directly to the clipper.
- Plug the USB cable into a compatible USB power adapter (not included) or a USB port.
- The LED display will show the charging status. A full charge provides up to 180 minutes of cordless operation.

Image: Illustration of the two charging methods for the Hatteker K31S-HY clipper: using the charging base or directly plugging the USB cable into the clipper.
Attaching Guide Combs:
- Select the desired guide comb (1.5mm to 19mm) for your preferred hair 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: The Hatteker K31S-HY clipper displayed alongside its eight colorful attachment guide combs, ranging from 1.5mm to 19mm.
Operating Instructions
Turning On/Off:
- Press the power button once to turn the clipper on.
- Press the power button again to turn the clipper off.
Adjusting Cutting Length:
- Use the adjustable taper lever on the side of the clipper to fine-tune the cutting length between 0.8mm and 2.0mm.
- For longer lengths, attach one of the 8 guide combs.
Hair Cutting Tips:
- Ensure hair is clean and dry before cutting.
- Start with a longer guide comb and gradually reduce the length if desired.
- Move the clipper against the direction of hair growth for an even cut.
- Use smooth, overlapping strokes.
- For beard trimming, use appropriate comb lengths and trim in the direction of hair growth for shaping, and against for closer trimming.

Image: Collage showing individuals using the Hatteker K31S-HY clipper for various grooming tasks, including cutting a child's hair, trimming a man's hair at the nape, and shaping a beard.
Maintenance and Cleaning
Cleaning the Blades:
- Turn off the clipper and unplug it from any power source.
- Remove the guide comb.
- Use the provided cleaning brush to remove loose hairs from the blades and the clipper body.
- For a more thorough cleaning, the blades can be detached by unscrewing the two small screws. Clean thoroughly and reattach.
Oiling the Blades:
- After each use, or regularly, apply a few drops of clipper oil (not included) to the blades.
- Turn the clipper on for a few seconds to distribute the oil evenly.
- This helps maintain blade sharpness and ensures smooth operation.

Image: Close-up of the Hatteker K31S-HY clipper's all-metal blades, highlighting their self-sharpening capability and safe R-shaped design.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clipper does not turn on. | Battery is depleted. | Charge the clipper fully. |
| Clipper pulls hair. | Blades are dull or clogged with hair. | Clean and oil the blades. If problem persists, blades may need replacement. |
| Clipper runs slowly. | Low battery or blades need oiling. | Recharge the clipper. Apply oil to the blades. |
| Clipper gets hot during use. | Extended use or lack of lubrication. | Allow the clipper to cool down. Ensure blades are properly oiled. |
Specifications
- Model: K31S-HY
- Brand: Hatteker
- Power Source: Battery Powered (Rechargeable Lithium-ion)
- Battery Capacity: 2500mAh
- Run Time: Up to 180 minutes
- Charging Time: Approximately 2.5 hours
- Motor Power: 10W
- Noise Level: <60dB
- Blade Material: All-Metal
- Adjustable Cutting Length: 0.8mm - 2.0mm (without comb)
- Guide Combs: 1.5mm, 3mm, 4.5mm, 6mm, 10mm, 13mm, 16mm, 19mm
- Dimensions: 26.5 x 20 x 8.5 cm (Parcel Dimensions)
- Weight: 948 g (Parcel Weight)
Warranty and Support
Hatteker products are manufactured to high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Hatteker website. Please retain your proof of purchase for warranty claims.
Manufacturer: Hatteker
Place of Business: Yiwu, Zhejiang 321000, CN




