1. Introduction
Congratulations on your purchase of the AMPK Electric Callus Remover! This innovative device is designed to effectively smooth dry, rough, and calloused skin on your feet. Its unique rollers grind at 360 degrees, 40 times a second, and a 300-degree wide angle to gently and efficiently buff away hard, jagged skin on the heels. This callus remover offers a faster and safer alternative to metal scrapers, eliminating blades and reducing the need for constant rubbing. It is rechargeable and ergonomically designed for comfortable use, making smooth, silky feet easier to achieve than ever before.
For hygienic reasons, this Callus Remover is recommended for individual use only and should not be shared with others.
2. Safety Information and Warnings
- This device is intended for use only on the feet and heels. Do not use it on any other part of the body.
- Do not use on skin that is red, irritated, inflamed, infected, blistered, or has warts, sores, or open wounds.
- If you have diabetes or poor blood circulation, consult your physician before use.
- Avoid using on the same skin area for more than 2-3 seconds at a time to prevent irritation.
- Discontinue use immediately if you experience any pain or irritation. Seek medical attention if irritation persists or bleeding occurs.
- This product is for household use only.
- Keep the device out of reach of children. It is not intended for use by children or individuals with reduced physical, sensory, or mental capabilities without proper supervision.
- When in use, keep the callus remover away from hair, clothing, brushes, wires, and cords.
- Do not apply strong pressure or continually rub the unit on the same area.
- Always keep the protective cover on the unit when not in use.
- Do not disassemble this device.
- Do not place or store the unit in direct sunlight. Store in a cool, dry place at a temperature between 0-40°C.
- Do not turn on the unit if the grinding head is not attached.
- Do not drop or insert anything into any opening of the unit.
- Do not use your unit outdoors.
3. Product Overview
The AMPK MT-510 Electric Callus Remover features a thoughtful design for ease of use and effective foot care.

Parts List
- Protective Cover: Shields the grinding head when not in use.
- Unique Rollers Grinding Head: The abrasive surface for callus removal.
- Power Switch and Speed Control Button: Controls power and switches between speed modes.
- Indicator Light: Provides operational status feedback.
- USB Charge Connector: Port for charging the device.
- Cleaning Brush: For removing debris from the grinding head.
- USB Charge Cable: For connecting to a power source.

4. Specifications
| Feature | Specification |
|---|---|
| Model Number | MT-510 |
| Material | ABS |
| Power Type | Rechargeable (USB) |
| Voltage | DC5V |
| Power | 6W |
| Battery Type | Lithium battery 1200 mAh |
| Charging Time | Approx. 2.5 hours (Max 12 hours) |
| Usage Time | Approx. 100-160 minutes (depending on usage habits) |
| Motor Speed | Approx. 13500 RPM |
| Machine Speed (Fast Gear) | Approx. 2200 RPM |
| Machine Speed (Slow Gear) | Approx. 1700 RPM |
| Water Resistance | IPX7 (Washable, not for prolonged soaking) |
| Dimensions (approx.) | 17cm (6.69in) height, 5cm (1.96in) width |
| Weight (approx.) | 0.311 kg |
| Certification | CE, RoHS |

5. Setup and Charging
Charging the Device
For first-time use or after extended storage, charge the device continuously for more than 2 hours. A full charge typically provides about 60-100 minutes of usage, depending on your habits and cleaning methods. Charge the product for approximately 2.5 hours each time, but do not exceed 12 hours.
- Ensure the device is off. If it's running, press and hold the power switch for 3 seconds to stop operation.
- Hold the product with one hand and insert the USB charging cable into the USB Charge Connector (E) on the machine.
- Connect the other end of the USB cable to a compatible USB power source (e.g., car charger, computer USB port, power bank, or a DC5V charger).
- During charging, the digital screen will gradually flicker. Once fully charged, the digital screen will display "100%".

6. Operation
This electric foot grinder is specifically designed for grinding calluses and thick cuticles on the soles and heels of your feet. Do not use it on other parts of your body.
- Prepare Your Feet: First, rinse and clean the skin of your feet, then wipe them dry. Do not use the device on injured skin.
- Check Grinding Head: Ensure that the grinding head is correctly installed in the machine. Refer to the 'Changing the Grinding Head' section if needed.
- Power On and Select Speed: Press and hold the power switch (C) for 3 seconds to turn on the machine. It will default to slow gear, and the "ONE" indicator light will illuminate on the digital screen. Press the switch once more for a short press to switch to fast gear, and the "TWO" indicator light will illuminate.
- Callus Removal: Hold the machine comfortably in your hand. Gently polish the grinding head over calluses, corns, and rough skin for 2-3 seconds per area. Do not apply excessive force; the machine is designed to stop if too much pressure is applied to protect your skin. Periodically check the skin to see if the desired effect has been achieved. If not, repeat polishing in the area for another 2-3 seconds.
- Stop Use if Discomfort: If your skin feels pain or discomfort, stop using the device immediately.
- Power Off: Press and hold the power switch for 3 seconds to turn off the machine.
- Clean After Use: Rinse or wipe off any dander from your skin with a wet towel. Proceed to clean the grinding head as described in the 'Maintenance and Cleaning' section.
- Protect Grinding Head: After use and cleaning, install the transparent protective cover to protect the grinding head. Ensure the 'A' mark on the cover aligns with the 'I' mark on the device, and you hear a 'click' sound.

Changing the Grinding Head
The device comes with different grinding heads (coarse, medium, fine) suitable for various skin conditions. You can change them as needed.

- To Remove: As shown in the diagram, use the provided gripper tool. Place the gripper over the grinding head, press both ends with your fingers, and pull it upwards to easily remove the head.
- To Install: Align the new grinding head and press it down firmly into the machine until you hear a "click". This indicates it is securely installed.
Note: Do not start the Callus Remover if the grinding head is not firmly installed in place.
7. Maintenance and Cleaning
Clean the appliance after each use to ensure optimal performance and hygiene.
- Disassembly: First, remove the transparent protective cover, the grinding head, and the dust collection cover.
- Cleaning the Device: Use the cleaning brush to remove any dander and dust from the foot grinder. Do not turn on the machine while cleaning.
- Rinsing: The AMPK Callus Remover is water-resistant (IPX7 rated) and can be rinsed under running water. The grinding head can be rinsed separately.
Attention: Do not use salt water, hot water above 60°C, thinner, gasoline, alcohol, or other harsh chemicals to clean the Callus Remover. Do not soak the entire machine in water for a long time.

8. Storage and Disposal
Storage
- When the appliance is not in use, store it in a dry place, out of reach of children.
- Store the device and its adapter in an area free from excessive heat or moisture.
- Do not wrap the power cord around the appliance.
Correct Disposal of this Product
This marking indicates that this product should not be disposed of with other household waste throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems available or contact the retailer where the product was purchased. They can arrange for environmentally safe recycling.
9. Troubleshooting
- Device stops during use: This often occurs if excessive force is applied. Reduce pressure on the skin.
- Skin irritation or pain: Stop using the device immediately. Ensure you are not using it on irritated skin or applying too much pressure.
- Device not charging: Ensure the USB cable is securely connected to both the device and the power source. Try a different USB port or charger.
- Grinding head not working effectively: Check that the grinding head is firmly installed. If it's worn, consider replacing it.
10. User Tips
- Hygienic Use: Remember, for best hygiene, this callus remover is intended for personal use only. Avoid sharing it with others.
- Gentle Application: Always use gentle pressure and avoid staying on one spot for more than 2-3 seconds to prevent skin irritation. If you feel any pain or discomfort, stop immediately.
- Replacement Parts: If you need a new charging cable or replacement grinding heads, please contact the seller or manufacturer for compatible parts.
- Optimal Charging: For the longest battery life, charge the device for approximately 2.5 hours. Avoid overcharging by not leaving it plugged in for more than 12 hours.
11. Warranty and Support
Specific warranty details for the AMPK MT-510 Electric Callus Remover were not provided in the available product information. For warranty claims, technical support, or inquiries about replacement parts, please contact the seller or manufacturer directly.
You may also refer to the full user manual PDF for additional information: View User Manual (PDF)





