1. Introduction
Welcome to the user manual for the Allwolf Electronic Muscle Stimulator, Model AST-300W. This device is designed to provide targeted electrical stimulation for muscle performance improvement and temporary pain relief in various body parts, particularly the feet. Please read this manual thoroughly before using the device to ensure safe and effective operation.
2. Safety Information
Consult a healthcare professional before use if you have a medical condition or are taking any medications.
This device is not intended for use by individuals with pacemakers, implanted defibrillators, or other electronic medical devices. Do not use if you are pregnant, have epilepsy, or have any acute disease. Keep out of reach of children. Do not use on broken skin or open wounds. Discontinue use if you experience any discomfort or adverse reactions.
3. Product Overview
3.1 Components
The Allwolf AST-300W Electronic Muscle Stimulator system includes the main foot pad unit and a wireless remote control for convenient operation.

Image: The main foot pad unit with integrated display and control buttons, alongside its wireless remote control.
3.2 Key Features
- PMS (Mode 1~8): Intended to stimulate healthy muscles to improve and facilitate muscle performance.
- TENS (Mode 9~25): Used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, arm, leg, and foot due to strain from exercise or normal household work activities by applying current to stimulate nerves.
- Customizable Intensity Levels: Adjustable intensity settings allow you to personalize the electrical stimulation to suit your desired comfort level (50 levels).
- Compact and Portable Design: Lightweight and travel-friendly unit, suitable for use at home, work, or on-the-go.
- Targeted Application: Suitable for addressing muscle aches, joint discomfort, and improving blood circulation in the feet.

Image: Visual representation of key features such as current stimulation, muscle relaxation, 10 modes & 50 levels, verified security, 20 minutes timed protection, and rechargeable functionality.
4. Setup
4.1 Charging the Device
- Ensure the device is turned off.
- Connect the provided USB charging cable to the charging port on the main unit.
- Plug the other end of the USB cable into a suitable power adapter (not included) or a USB port.
- The charging indicator light will illuminate. Once fully charged, the indicator may change color or turn off.
4.2 Initial Placement
- Place the foot pad unit on a flat, stable surface, such as the floor in front of a chair.
- Ensure your feet are clean and dry before placing them on the designated foot areas of the device.
5. Operating Instructions
5.1 Powering On/Off
- To power on the device, press and hold the power button (U) on the main unit or the remote control.
- To power off, press and hold the power button again.
5.2 Mode Selection
The device offers 25 distinct modes, categorized for different therapeutic needs:
- PMS Modes (1-8): These modes are designed to stimulate healthy muscles, aiming to improve and facilitate muscle performance.
- TENS Modes (9-25): These modes are intended for temporary relief of pain associated with sore and aching muscles in areas such as the shoulder, waist, back, neck, arm, leg, and foot. They work by applying current to stimulate nerves, addressing discomfort from exercise or normal household activities.
Press the 'M' button on the main unit or remote control to cycle through the available modes. The selected mode number will be displayed on the LCD screen.
5.3 Intensity Adjustment
The AST-300W features 50 adjustable intensity levels, allowing you to customize the electrical stimulation to your comfort and therapeutic requirements.
- To increase intensity, press the '+' button on the main unit or remote control.
- To decrease intensity, press the '-' button on the main unit or remote control.
Start with the lowest intensity and gradually increase it until you feel a comfortable, yet effective, sensation. Avoid setting the intensity too high, which may cause discomfort.

Image: A visual guide illustrating the 10 modes and 50 intensity levels, detailing the type of sensation experienced at different intensity ranges (e.g., soft, weak, stronger, powerful, deep stimulation).
5.4 Using the Remote Control
The wireless remote control provides convenient access to all functions, allowing you to adjust settings without bending down.
- Power Button: Turns the device on or off.
- 'M' Button: Cycles through the 25 stimulation modes.
- '+' Button: Increases the intensity level.
- '-' Button: Decreases the intensity level.

Image: A user operating the device with the remote control, demonstrating the convenience of adjusting settings without needing to bend down.
5.5 Intended Use and Benefits
The Allwolf EMS Foot Stimulator can be used for various conditions to promote comfort and well-being:
- Relief from arch pain due to wearing heeled shoes.
- Improvement for poor circulation in the feet and legs.
- Alleviation of symptoms related to tendinitis, bursitis, or neuropathy.
- Reduction of work fatigue and swelling.
- Assistance with recovery from acute injuries.

Image: A visual guide illustrating various conditions for which the EMS foot stimulator can be used, such as arch pain, poor circulation, tendinitis, bursitis, neuropathy, work fatigue, swelling, and acute injuries.
6. Maintenance
6.1 Cleaning
- Ensure the device is turned off and unplugged before cleaning.
- Wipe the surface of the foot pad unit and remote control with a soft, damp cloth.
- Do not use abrasive cleaners, alcohol, or harsh chemicals, as these may damage the device.
- Allow the device to air dry completely before storing or next use.
6.2 Storage
- Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Keep the device and its accessories in their original packaging or a protective case to prevent damage.
7. Troubleshooting
7.1 No Power
- Ensure the device is fully charged.
- Check if the power button is pressed and held correctly.
7.2 No Sensation or Weak Sensation
- Ensure your feet are making full contact with the foot pads.
- Increase the intensity level gradually using the '+' button.
- Ensure your feet are clean and moisturized, as dry skin can reduce conductivity.
- Try a different mode to see if the sensation changes.
7.3 Remote Control Not Responding
- Check the battery in the remote control and replace if necessary.
- Ensure there are no obstructions between the remote control and the main unit.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 12 x 2 x 12 inches; 2.85 Pounds |
| Item model number | AST-300W |
| Date First Available | September 3, 2024 |
| Manufacturer | Shenzhen OSTO Technology Company Limited |
| ASIN | B0DFYL55RZ |
| Use for | Foot |
| Power Source | Battery Powered |
| Material | Acrylonitrile Butadiene Styrene |
| Brand | Allwolf |
| Color | White |
9. Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
10. Warranty and Support
For warranty information, technical support, or any inquiries regarding your Allwolf Electronic Muscle Stimulator (Model AST-300W), please refer to the product packaging for contact details or visit the official Allwolf website for customer service information.





