1. Introduction
This manual provides essential information for the safe and effective use of your LIORQUE Muscle Stimulator, Model KTR-2610. This device combines TENS, EMS, and FITNESS functions to offer a versatile solution for muscle stimulation. Please read this manual thoroughly before first use and retain it for future reference.
2. Important Safety Information
Always consult with a healthcare professional before using this device, especially if you have pre-existing medical conditions. Do not use this device if you have a pacemaker, implanted defibrillator, or other metallic or electronic implanted devices. Do not use on pregnant women, individuals with epilepsy, or those with heart conditions. Avoid placing electrode pads on the head, face, neck, or across the chest. Keep out of reach of children. Discontinue use if you experience any discomfort or adverse reactions.
3. Package Contents
Verify that all items are present in the package:
- 1 x LIORQUE Muscle Stimulator Main Unit
- 10 x Electrode Pads (50x50mm)
- 2 x Electrode Cables
- 1 x USB-C Charging Cable
- 1 x Protective Storage Box
- 1 x User Manual

Image: Contents of the LIORQUE Muscle Stimulator package, including the device, electrode pads, cables, USB-C cable, storage box, and user manual.
4. Device Overview
The LIORQUE Muscle Stimulator features a clear display and intuitive controls for easy operation.

Image: Detailed view of the LIORQUE Muscle Stimulator's screen and control buttons, indicating program, frequency, intensity levels for Channel 1 and Channel 2, timer, and power/mode buttons.
Key Components:
- Display Screen: Shows current mode (TENS, EMS, FITNESS), program number, frequency, intensity levels for Channel 1 (Ch1) and Channel 2 (Ch2), and remaining time.
- ON/OFF Button: Powers the device on or off.
- 'F' Button: Switches between TENS, EMS, and FITNESS modes. Long press to adjust the timer.
- Channel 1 (Ch1) Intensity Buttons (+/-): Adjusts the intensity for Channel 1.
- Channel 2 (Ch2) Intensity Buttons (+/-): Adjusts the intensity for Channel 2.
- Program Selection Buttons (Up/Down arrows): Navigates through the available programs within the selected mode.
5. Setup
5.1 Charging the Device
- Connect the USB-C charging cable to the charging port on the bottom of the device.
- Connect the other end of the cable to a USB power adapter (not included) or a computer USB port.
- The battery indicator on the display will show charging status. A full charge takes approximately 2 hours.

Image: Illustration of the LIORQUE Muscle Stimulator's long battery life, showing 250mAh rechargeable battery, 2 hours charging time, and 12 days of use (30 minutes per day).
5.2 Attaching Electrode Pads and Cables
- Ensure the device is turned off.
- Connect the electrode cables to the output ports (Ch1 and Ch2) on the top of the device.
- Attach the electrode pads to the ends of the cables. Ensure a secure connection.
- Peel the protective film from the electrode pads.

Image: Diagram illustrating the dual independent channels of the LIORQUE Muscle Stimulator, showing separate intensity controls for Channel 1 and Channel 2, and pads placed on a user's back.
6. Operating Instructions
6.1 Powering On/Off
- To turn on: Press and hold the ON/OFF button until the display illuminates.
- To turn off: Press and hold the ON/OFF button until the display turns off.
6.2 Applying Electrode Pads
Clean and dry the skin area where the pads will be applied. Place the electrode pads firmly on the desired body part. Ensure good contact with the skin for effective stimulation.

Image: Diagram showing various body parts suitable for electrode pad placement, including shoulder, back, waist, abdomen, legs, and arms.
6.3 Selecting a Mode (TENS, EMS, FITNESS)
Press the 'F' button to cycle through the three main modes:
- TENS (Transcutaneous Electrical Nerve Stimulation): Modes 1-20. Used for pain relief by blocking pain signals.
- EMS (Electrical Muscle Stimulation): Modes 21-40. Used for muscle relaxation and reducing muscle spasms.
- FITNESS: Modes 41-50. Specifically designed for abdominal muscle training.

Image: A woman sitting on a couch, using the LIORQUE Muscle Stimulator with electrode pads placed on her legs, demonstrating the device's application.
6.4 Selecting a Program
Once a mode (TENS, EMS, or FITNESS) is selected, use the Up/Down arrow buttons to choose from the available programs within that mode. The program number will be displayed on the screen.
6.5 Adjusting Intensity
The device has two independent channels (Ch1 and Ch2). You can set different intensity levels for each channel:
- Use the Ch1 + / - buttons to adjust the intensity for Channel 1.
- Use the Ch2 + / - buttons to adjust the intensity for Channel 2.
- Start with the lowest intensity and gradually increase until you feel a comfortable, yet effective, stimulation. There are 16 intensity levels.
6.6 Setting the Timer
Long press the 'F' button to enter timer adjustment mode. Use the Up/Down arrow buttons to set the desired treatment duration. The timer can typically be set from 5 to 60 minutes.
7. Maintenance
7.1 Cleaning the Device
- Turn off the device and disconnect all cables.
- Wipe the device with a soft, slightly damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Ensure the device is completely dry before storing or next use.
7.2 Caring for Electrode Pads
The electrode pads are reusable up to 100 times or more with proper care.
- After each use, gently place the protective film back onto the adhesive side of the pads.
- Store the pads in the provided protective box in a cool, dry place.
- If the pads lose their adhesiveness, clean the adhesive surface with a drop of water and let it air dry. If adhesiveness is not restored, replace the pads.

Image: Exploded view of an electrode pad, showing its layers: Non-Woven Fabric, Conductive Layer Terminals, Conductive Carbon Film, and Superior Quality Gel.
7.3 Storage
Store the device and all accessories in the protective box in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
- Device does not turn on:
Ensure the device is fully charged. If the battery is low, connect it to a power source using the USB-C cable. - No or weak stimulation:
Check that the electrode pads are firmly attached to the skin and the cables are securely connected to both the device and the pads. Increase the intensity level gradually. Ensure the pads are not worn out and have sufficient adhesiveness. - Pads not sticking:
Clean the skin area before application. If pads are dirty or old, clean them with a drop of water or replace them with new ones. - Display is blank or frozen:
Try turning the device off and then on again. If the issue persists, contact customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | KTR-2610 |
| Modes | TENS (1-20), EMS (21-40), FITNESS (41-50) |
| Total Programs | 50 |
| Intensity Levels | 16 |
| Channels | 2 Independent Channels |
| Battery Type | 1 Lithium-ion (included) |
| Charging Time | Approx. 2 hours |
| Usage Duration (per charge) | Up to 12 days (30 minutes/day) |
| Electrode Pad Reusability | 100+ times (with proper care) |
| Dimensions | 16.6 x 8.7 x 5.2 cm |
| Weight | 290 grams |
| Manufacturer | LIORQUE |
10. Warranty and Support
LIORQUE products are designed for quality and reliability. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official LIORQUE website. Keep your purchase receipt as proof of purchase.
For more information, you can visit the LIORQUE Brand Store.






