Introduction
The KINGJOY Foot Massager for Neuropathy, Model KTR-4012, is a medical-grade foot circulation stimulator designed to provide relief from various foot and body discomforts. It combines Transcutaneous Electrical Nerve Stimulation (TENS) for pain blocking and Electrical Muscle Stimulation (EMS) for muscle stimulation. This dual-action approach aims to alleviate symptoms of neuropathy, plantar fasciitis, restless leg syndrome (RLS), arthritis pain, and chronic foot conditions, while promoting long-term healing and improved circulation.
This device features 10 customizable treatment modes and 20 adjustable intensity levels, allowing users to tailor their therapy experience. Its cordless, rechargeable, and portable design ensures convenience for use at home, work, or while traveling. Additionally, it includes two electrode pads for full-body pain relief, extending its benefits beyond just the feet.
Safety Information
Please read and understand all safety warnings before using this device. Failure to do so may result in injury or device malfunction.
- Do not use on broken skin.
- Avoid use during pregnancy.
- Consult a doctor before use if you have a medical condition.
- Do not use if you have metal implants (such as a pacemaker).
- Not suitable for cerebral hemorrhage patients.
- Not suitable for deep venous thrombosis patients.
- Not suitable for abnormal blood pressure patients.
- Not suitable for acute cardiovascular and cerebrovascular patients.
- Do not use on areas with wounds or inflammation.
Product Components
The KINGJOY Foot Massager package includes the following items:
- KINGJOY Foot Massager Unit
- Remote Control
- 2 Electrode Pads with connecting wires
- USB Charging Cable
- Power Adapter
- Product Manual
- 9V Batteries (for remote control)

Image: The KINGJOY Foot Massager unit, remote control, electrode pads, charging cable, power adapter, and product manual.
Setup Instructions
Follow these steps to set up your KINGJOY Foot Massager:
- Charge the Device: Connect the USB charging cable to the foot massager and a power source using the provided adapter. Ensure the device is fully charged before first use. A full charge takes approximately 2 hours and provides up to 210 minutes of therapy.
- Insert Remote Batteries: Open the battery compartment on the remote control and insert the included 9V batteries, ensuring correct polarity.
- Connect Electrode Pads (Optional): If using the electrode pads for body pain relief, connect them to the designated ports on the foot massager unit. Remove the protective film from the pads before applying them to the desired body areas.
- Position Yourself: Place the foot massager on a flat, stable surface. Sit comfortably and place both bare feet on the foot pads of the device. Ensure your feet are in full contact with the pads for optimal performance.

Image: Visual guide for connecting electrode pads and positioning feet on the device.
Operating Instructions
Using your KINGJOY Foot Massager is simple:
- Power On: Press the power button on the device or the remote control to turn it on. The LCD display will illuminate.
- Select Mode: Use the 'M' button on the device or the remote control to cycle through the 10 available treatment modes (e.g., massage, acupuncture, Tuina). The selected mode will be indicated on the LCD display. (Note: 'H' on the LCD stands for mode 10).
- Adjust Intensity: Use the '+' and '-' buttons on the device or remote control to adjust the intensity level from 1 to 20. Start with a low intensity and gradually increase it to a comfortable level.
- Begin Therapy: Once the mode and intensity are set, the therapy session will begin. The device has an automatic shut-off feature after 30 minutes.
- Power Off: After your session, press the power button to turn off the device.

Image: Illustration of the 10 treatment modes and 20 intensity levels.

Image: Details of the LCD display and remote control functions.
Maintenance
To ensure the longevity and proper functioning of your KINGJOY Foot Massager, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, damp cloth after each use. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Electrode Pads: After use, reattach the protective film to the electrode pads to maintain their adhesive quality. Store them in a dry, well-ventilated place. Replace pads when they lose their stickiness.
- Battery Care: If the device will not be used for an extended period, remove the batteries from the remote control.
Troubleshooting (Questions & Answers)
Here are answers to some common questions regarding the KINGJOY Foot Massager:
- Q: How long does it take to fully charge?
A: It takes approximately 2 hours to fully charge. - Q: Can I use the foot stimulator when it is charging?
A: No. To ensure electrical safety, the foot stimulator does not support use during charging. Please fully charge the foot stimulator before use. - Q: Why do the numbers on the screen flash when the foot stimulator is charging?
A: When the foot stimulator is charging, the numbers 25, 50, 75 or 100 will flash on the display screen. When fully charged, 100 will be displayed on the display screen and stay still. - Q: Can I put only one foot on the stimulator?
A: No, it will not work. Please place both bare feet on the stimulator and ensure they are in full contact with the foot pads. - Q: How long do I need to use it to see noticeable results?
A: It is recommended that you use the device for approximately 30 minutes per day, and you will usually see noticeable results after 2-3 months of consistent use.
Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 13.39 x 13.39 x 2.4 inches |
| Item Weight | 3.04 Pounds (1.38 Kilograms) |
| Power Source | USB Charging |
| Batteries | 1 x 9V battery (included for remote) |
| Material | Plastic |
| Modes | 10 Treatment Modes |
| Intensity Levels | 20 Adjustable Levels |
| Manufacturer | KINGJOY |
| Model Number | KTR-4012 |
Warranty and Support
The KINGJOY Foot Stimulator comes with a 1-year warranty. For any questions or support needs, please contact KINGJOY Wellness through Amazon. They offer 24/7 customer service to assist you.