1. Introduction
Thank you for choosing the WEIYI MTO-5001 Professional Electric Nail File. This device is designed for efficient and precise nail care, suitable for both professional salon use and personal home manicures and pedicures. Please read this manual thoroughly before operation to ensure safe and effective use.
2. Safety Information
- Always disconnect the device from the power source before cleaning or changing accessories.
- Do not use the device near water or in damp environments.
- Keep out of reach of children.
- Avoid touching the rotating bit during operation.
- If the device overheats after prolonged use (e.g., 30 minutes), allow it to cool down for at least 10 minutes before resuming operation. This is normal for metal products due to heat dissipation.
- Use only approved accessories and bits.
- If you experience any discomfort or pain during use, stop immediately.
3. Package Contents
The WEIYI MTO-5001 Professional Electric Nail File package includes:
- 1 x Electric Nail File Handpiece
- 1 x USB Power Cord with Speed/Direction Controller
- 6 x Different Shank Drills (various shapes for different functions)
- 6 x Sanding Bands
- 5 x Manicure Drills (additional specialized bits)

4. Product Overview
4.1 Key Features
- Professional Performance: Equipped with a powerful motor reaching up to 20,000 RPM for effective nail shaping, polishing, and cuticle removal.
- Portable Design: Compact and lightweight (2 x 12 cm, 66 g) with a non-slip surface for comfortable handling and easy portability.
- Low Heat, Quiet, and Smooth Operation: Aluminum body ensures efficient heat dissipation. Designed for minimal noise and vibration during use.
- Adjustable Speed and Direction: Easily control speed from 0-20,000 RPM and switch between forward and reverse rotation.
- USB Powered: Standard USB interface allows convenient power from various sources like laptops, power banks, or USB wall adapters.


5. Setup and Operation
5.1 Attaching a Drill Bit
- Ensure the device is powered off and disconnected.
- Gently insert the desired drill bit into the opening at the tip of the handpiece until it is securely seated. Do not force the bit.
- To remove, gently pull the bit out.
5.2 Powering On and Adjusting Settings
- Connect the USB power cord to the nail file handpiece.
- Plug the USB end of the cable into a compatible USB power source (e.g., USB adapter, power bank, laptop).
- Use the controller on the power cord to adjust settings:
- Speed Control: Scroll the speed button to increase or decrease the rotational speed from 0 to 20,000 RPM.
- Direction Control: Select the forward (F) or reverse (R) rotation direction according to your preference or task. The middle position (OFF) turns the device off.
- Begin your nail care process.

5.3 Bit Functions and Applications
The kit includes various bits designed for different nail care tasks:
- Needle Head Bit: Used for polishing the nail surface and edges.
- Bullet Head Bit: Ideal for carving the nail surface and grinding the nail edge.
- Conical Drill Bit: For uniform grinding of the nail head.
- Small Cylindrical Drill Bit: Used for grinding the surface and tip of small nails, removing calluses and dead skin.
- Large Cylindrical Drill Bit: For polishing larger nail surfaces to make them smoother.
- Sanding Band Mandrel: Used with abrasive sanding bands for polishing and smoothing the nail surface.

5.4 Applications
This electric nail file is suitable for a wide range of applications, including:
- Manicure and Pedicure
- Polishing natural nails
- Removing excess cuticles
- Shaping and filing artificial nails (gel, acrylic, dip powder)
- Callus removal
- Pet nail grooming


6. Maintenance
6.1 Cleaning
- After each use, disconnect the device from power.
- Use a soft, dry cloth to wipe the handpiece and controller.
- Remove any dust or debris from the drill bit insertion area.
- Clean drill bits with a small brush or alcohol wipe. Ensure they are dry before storage.
6.2 Storage
- Store the device and its accessories in a cool, dry place, away from direct sunlight and moisture.
- Keep all components in their original packaging or a protective case to prevent damage.
7. Troubleshooting
- Device not turning on: Ensure the USB cable is securely connected to both the handpiece and a working power source. Check if the speed/direction controller is in the 'OFF' position; slide it to 'F' or 'R'.
- Bit not rotating: Verify the bit is correctly inserted and not loose. Check power connection and controller settings.
- Excessive vibration or noise: Ensure the bit is fully and correctly inserted. A loose or bent bit can cause vibration. If the issue persists, replace the bit.
- Device overheating: If the device becomes excessively warm, disconnect it and allow it to cool for 10 minutes before resuming use. This is a normal protective measure.
- Reduced performance: Ensure the sanding bands or drill bits are not worn out. Replace them if necessary.
8. Specifications
| Model Number | MTO-5001 |
| Brand | WEIYI |
| Maximum Rotational Speed | 20,000 RPM |
| Power Source | Corded Electric (USB) |
| Material | Aluminum, Metal |
| Product Dimensions | 4.72 x 0.79 x 0.79 inches |
| Item Weight | 8.11 ounces |
9. Warranty and Support
Warranty information for the WEIYI MTO-5001 Professional Electric Nail File is not specified in this document. Please refer to your purchase receipt or contact the retailer for details regarding warranty coverage and customer support.