1. Important Safety Information
Please read all instructions carefully before using the STIM-PRO Comfort TENS Unit. Failure to follow these instructions could result in injury or device malfunction.
- Do not use if you have a pacemaker, implanted defibrillator, or other implanted metallic or electronic device.
- Do not use on open wounds, rashes, swollen, red, infected, or inflamed skin areas.
- Consult your physician before use if you have epilepsy, heart disease, or are pregnant.
- Keep out of reach of children.
- 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.
2. Product Overview
The axion STIM-PRO Comfort is a 2-channel Transcutaneous Electrical Nerve Stimulation (TENS) device designed for drug-free pain relief. It features 8 pre-installed programs and adjustable intensity for personalized treatment.



Key Features:
- 2-Channel Device: Allows for the use of up to 4 electrodes simultaneously.
- 8 Pre-installed Programs: Designed for various pain types, offering simple and intuitive operation.
- Adjustable Intensity: Continuous intensity adjustment up to 80mA for comfortable and effective treatment.
- Timer Function: Selectable treatment durations of 15, 30, 60 minutes, or continuous operation.
- Portable Design: Compact and lightweight with a belt clip for use at home, work, or on the go.
3. Setup
Package Contents:

- Install Battery: Open the battery compartment on the back of the device. Insert the included 9V battery, ensuring correct polarity. Close the compartment securely.
- Connect Cables: Plug the connection cables into the output jacks (A and B) on the top of the TENS unit.
- Attach Electrodes: Connect the electrode pads to the pin connectors on the end of the cables. Ensure a secure connection.
4. Operating Instructions
Controls Overview:

- Prepare Skin: Ensure the skin where electrodes will be placed is clean, dry, and free of oils or lotions.
- Place Electrodes: Apply the electrode pads firmly to the desired treatment area. Refer to the diagram below for common placement suggestions. Ensure electrodes are not touching each other.

Electrode placement for various body areas for drug-free and targeted pain relief. - Turn On Device: Rotate the intensity control knob (1) clockwise to turn on the device.
- Select Program: Press the 'PROGRAM' button (3) to cycle through the 8 pre-installed programs. The selected program will be indicated on the display (2).
- Set Timer: Press the 'TIMER' button (4) to select the desired treatment duration: 15 minutes, 30 minutes, 60 minutes, or continuous ('C').
- Adjust Intensity: Slowly rotate the intensity control knob (1) clockwise to increase the intensity to a comfortable level. You should feel a strong, but comfortable, tingling sensation. Do not increase intensity to a painful level.
- End Treatment: Once the treatment time is complete, the device will automatically turn off. To manually stop treatment, rotate the intensity control knob (1) counter-clockwise until the device turns off. Carefully remove the electrodes from your skin.
5. Maintenance
Device Care:
- Clean the device with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Store the device and accessories in the provided case when not in use.
Electrode Care:
Proper care extends the life of your electrode pads.

- After each use, place the electrodes back onto the clear plastic film or carrier foil they came with.
- If electrodes lose their stickiness, gently wipe the adhesive side with a damp cloth (water only) and let them air dry. Do not rub vigorously.
- Replace electrodes when they no longer adhere well to the skin or if they cause discomfort.
Battery Replacement:
When the display dims or the device does not power on, it's time to replace the 9V battery. Follow the steps in Section 3. Setup to replace the battery.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is dead or incorrectly installed. | Replace the 9V battery or check its polarity. |
| No sensation or weak sensation. | Electrodes not properly attached, electrodes are worn out, or intensity is too low. | Ensure electrodes are firmly attached to clean skin. Replace electrodes if worn. Slowly increase intensity. |
| Sensation is uncomfortable or painful. | Intensity is too high. | Slowly decrease intensity until comfortable. |
| Electrodes do not stick. | Skin is oily/dirty, or electrodes are worn out. | Clean and dry skin thoroughly before application. Replace electrodes if they have lost adhesion. |
7. Specifications
- Model Number: 1023
- Product Dimensions: 8.98 x 2.13 x 7.64 inches; 1.06 Pounds
- Power Source: 1 x 9V battery (included)
- Channels: 2 independent channels
- Programs: 8 pre-installed TENS programs
- Intensity: Continuously adjustable, 0 - 80 mA
- Timer: 15, 30, 60 minutes, and continuous operation
- Manufacturer: Axion USA LLC
8. Warranty and Support
For warranty information, please refer to the documentation included with your purchase or visit the official axion website. For technical support or further assistance, please contact axion customer service directly.
Contact Information: Please refer to the contact details provided on the product packaging or the official axion website for the most up-to-date support information.




