Introduction
The NURSAL 24 Modes TENS Unit Muscle Stimulator is a versatile electronic pulse massager designed for effective pain relief and muscle performance enhancement. Utilizing Transcutaneous Electrical Nerve Stimulation (TENS) and Electrical Muscle Stimulation (EMS) technologies, this device offers a range of pre-programmed modes and adjustable intensity levels to address various body soreness and muscle fatigue concerns. Its compact, rechargeable design ensures convenience and portability for use at home or on the go.
Safety Information
Please read all safety warnings and instructions before using this device. Failure to do so may result in injury or damage to the device.
- Not suitable for pregnant women.
- Not safe for individuals with heart disease or hypertension.
- Do not use if you have a pacemaker or any other implantable electronic devices.
- 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.

Contraindications for use of the NURSAL TENS Unit.
What's Included
Your NURSAL TENS Unit package contains the following items:
- 1 x TENS & EMS Machine
- 4 x Palm Electrode Pads
- 2 x Large Rectangle Pads
- 2 x Small Pads
- 2 x 1/2 Lead Wires
- 1 x 1/4 Lead Wires
- 1 x USB Cable
- 1 x User Manual
- 1 x Pad Holder
- 1 x Pouch

All components included in the NURSAL TENS Unit package.
Product Overview
The NURSAL TENS Unit features an intuitive design for ease of use. Familiarize yourself with the main components and controls:

Key components and controls of the NURSAL TENS Unit.
- LCD Screen: Displays current mode, intensity level, timer, and battery status.
- ON/OFF Switch: Located on the top edge of the device.
- USB Port: For charging the device.
- Battery Indicator: Shows remaining battery life.
- Mode Selector (M button): Cycles through the 24 pre-programmed modes.
- Intensity Buttons (+/-): Adjusts the intensity level of the stimulation.
- Time Adjustment (T button): Sets the treatment duration (10-60 minutes).
- Screen Lock Function: Long press the home button (M button) to activate/deactivate.
- Dual Outputs: Allows for simultaneous use with two sets of pads or by two people.
Setup
- Charge the Device: Before first use, fully charge the TENS unit using the provided USB cable. The battery indicator on the LCD screen will show charging progress. A full charge provides up to 24 hours of continuous usage.
- Attach Electrode Pads: Connect the lead wires to the electrode pads by snapping them onto the metal studs. Ensure a secure connection.
- Connect Lead Wires to Device: Insert the lead wire plugs into the output ports on the bottom of the TENS unit. The device has dual outputs, allowing for two sets of pads to be used simultaneously.
- Prepare Skin: Clean and dry the skin area where the pads will be applied. Avoid applying pads over broken skin, rashes, or sensitive areas.
- Apply Electrode Pads: Remove the protective film from the electrode pads and firmly press them onto the desired treatment area. Ensure the entire surface of the pad is in contact with the skin.

Visual guide for basic setup and operation.
Operating Instructions
- Power On: Slide the ON/OFF switch on the top of the device to the 'ON' position.
- Select Mode: Press the 'M' button to cycle through the 24 available modes. The first 2 sub-modes provide steady and constant muscle stimulation. The device features a memory function that automatically sets to the last used mode upon power-on.
- Adjust Intensity: Use the '+' and '-' buttons to increase or decrease the intensity of the electrical impulses. Start with a low intensity and gradually increase until you feel a comfortable, yet effective, sensation. Note: Ensure at least two pads are connected and applied to the body for proper operation.
- Set Timer: Press the 'T' button to set the desired treatment duration. The timer can be set from 10 to 60 minutes, with a default setting of 20 minutes. The timer indicator on the screen will show the remaining time.
- Screen Lock: To prevent accidental changes during use, long press the 'M' button to activate the screen lock function. Repeat to unlock.
- Power Off: Once your session is complete, slide the ON/OFF switch to the 'OFF' position.

The 24 modes offer multi-functional muscle stimulation for various pain relief needs.

TENS technology provides pain relief for deep tissue.

EMS technology helps rejuvenate muscle performance.
Maintenance
- Electrode Pad Care: The self-adhesive electrode pads are reusable and can last up to 40 uses with proper care. After each use, place the pads back on the provided pad holder to maintain their adhesive quality. If pads lose stickiness, gently wipe the adhesive surface with a damp cloth and let air dry.
- Device Cleaning: Wipe the TENS unit with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the device and accessories in the provided pouch in a cool, dry place away from direct sunlight and extreme temperatures.

Proper care of medical snap button electrodes extends their lifespan.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sensation or weak sensation |
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| Pads not sticking |
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| Device not charging |
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Specifications
- Model Number: SM9910
- Dimensions: 6.1 x 3.74 x 3.07 inches
- Weight: 11.29 ounces
- Power Source: 1 Lithium Ion battery (included)
- Battery Capacity: 180mAh (approx. 24 hours continuous usage)
- Charging Time: Approximately 2 hours for a full charge.
- Modes: 24 pre-programmed TENS + EMS modes
- Intensity Levels: 20 adjustable levels
- Timer: 10-60 minutes (adjustable)
- Outputs: Dual outputs
- Manufacturer: NURSAL
- Country of Origin: China
- First Available Date: January 30, 2021
Warranty and Support
NURSAL provides a 12-Month Warranty for this product. For any questions, concerns, or technical assistance, please contact NURSAL Customer Service. Refer to the included User Manual for specific contact details or visit the official NURSAL website.





