1. Introduction
The SURFOU TENS/EMS Pain Relief Device AS8012B is a versatile 3-in-1 unit designed for drug-free pain relief, muscle stimulation, and massage. It features 2 independent channels, 6 main modes with 24 sub-programs, and 20 adjustable intensity levels. This manual provides essential information for safe and effective operation of your device.
2. Safety Information
Please read all safety instructions before using the device. Improper use can lead to injury or device malfunction.
- Do not use if you have a pacemaker, implanted defibrillator, or other metallic or electronic implanted devices.
- Consult a physician before use if you are pregnant, have epilepsy, heart disease, or any other serious medical condition.
- Do not apply electrodes to the head, face, neck, chest, or any broken skin areas.
- Keep out of reach of children.
- Do not use while driving or operating heavy machinery.
- Discontinue use if you experience any discomfort or adverse reactions.
- Use only the electrode pads and cables provided or approved by SURFOU.
3. Package Contents
Verify that all items are present in your package:
- SURFOU TENS/EMS Device (x1)
- Large Electrode Pads (24 pieces, 6 sets)
- Small Electrode Pads (22 pieces, 4 sets)
- Electrical Cables (x2)
- USB Extension Cable (x1)
- Pad Adhesive Plate (x1)
- Stimulation Point Map (x1)
- Storage Bag (x1)
- User Manual (x1)
Figure 3.1: This image displays all items included in the package: large and small electrode pads, the massage device, a pad adhesive plate, a USB extension cable, electrical cables, a stimulation point map, and a storage bag.
4. Product Features
- 3-in-1 Functionality: Combines TENS (Transcutaneous Electrical Nerve Stimulation) for pain relief, EMS (Electrical Muscle Stimulation) for muscle conditioning, and massage for relaxation.
- Dual Channels: Two independent A/B channels allow for simultaneous treatment of two different body areas with varying modes and intensities.
- Multiple Programs: Features 6 main modes and 24 sub-programs to cater to diverse needs, including a period simulator for menstrual pain relief.
- Adjustable Intensity: 20 levels of intensity for personalized treatment.
- Compact and Portable: Lightweight design, similar in size to a smartphone, making it ideal for travel and discreet use.
- Long Battery Life: Up to 10 hours of continuous use on a single charge.
- USB-C Charging: Convenient and flexible charging via USB-C port.
- Memory Function: Remembers the last used mode (intensity excluded).
- Skin-Friendly Electrodes: Made from non-woven fabric with a high-quality, latex-free gel layer for strong adhesion and comfort.
Figure 4.1: The device screen illustrates the 24 available modes, categorized for TENS (pain relief), EMS (muscle conditioning), and massage (body relaxation).
Figure 4.2: The compact dimensions of the SURFOU TENS device (5.5 x 10.3 cm) are highlighted, demonstrating its portability and ability to fit easily into a pocket.
5. Device Overview
The device features an intuitive interface with clear buttons for easy operation.
Figure 5.1: The SURFOU TENS/EMS device, shown with electrode pads attached, ready for use.
Controls:
- Power Button (T): Press and hold to turn on/off. Short press to lock/unlock screen.
- Mode Button (M): Press to cycle through the 6 main modes.
- Channel A/B Buttons (+/-): Adjust intensity for Channel A or Channel B.
- Navigation Buttons (</>): Select sub-programs within a main mode.
6. Setup
- Charge the Device: Before first use, fully charge the device using the provided USB-C cable. Refer to Section 9 for charging instructions.
- Connect Cables: Insert the electrical cables into the output ports on the top of the TENS device.
- Attach Electrode Pads: Connect the electrode pads to the ends of the electrical cables. Ensure a secure connection.
- Prepare Skin: Clean and dry the skin area where the pads will be applied. Remove any lotions, oils, or makeup.
- Apply Pads: Carefully peel the protective film from the electrode pads and firmly place them on the desired treatment area. Ensure the entire surface of the pad is in contact with the skin.
Figure 6.1: A visual guide detailing the 12 steps for using the SURFOU TENS device, including connecting cables, applying pads, selecting modes, adjusting intensity, and powering off.
7. Operating Instructions
- Power On: Press and hold the 'T' button for 2-3 seconds to turn on the device.
- Select Main Mode: Press the 'M' button to cycle through the 6 main modes. The selected mode will be displayed on the screen.
- Select Sub-Program: Use the '<' and '>' buttons to choose from the 24 sub-programs available within the selected main mode.
- Adjust Intensity (Channel A): Press the 'A+' or 'A-' buttons to increase or decrease the intensity for Channel A. Start with the lowest intensity and gradually increase until you feel a comfortable, yet effective, sensation.
- Adjust Intensity (Channel B): Similarly, press the 'B+' or 'B-' buttons to adjust the intensity for Channel B.
- Lock/Unlock Screen: Short press the 'T' button to lock or unlock the screen during operation to prevent accidental changes.
- Power Off: Press and hold the 'T' button for 2-3 seconds to turn off the device. Remove the electrode pads from your skin after use.
Figure 7.1: An elderly couple comfortably using the SURFOU TENS device, emphasizing its intuitive button controls and ease of use for all ages.
8. Modes and Programs
The device offers 6 main modes, each with several sub-programs (P01-P24) designed for specific therapeutic effects:
- TENS (P01-P08): Primarily for pain relief, targeting nerve stimulation.
- EMS (P09-P16): For muscle conditioning, strengthening, and recovery. Includes programs suitable for menstrual pain relief.
- Massage (P17-P24): For general body relaxation and tension release.
Refer to the included Stimulation Point Map for guidance on specific program applications and electrode placements.
9. Electrode Placement
Proper electrode placement is crucial for effective treatment. Always refer to the Stimulation Point Map provided with your device for detailed guidance.
- Place pads on clean, dry, healthy skin.
- Ensure pads are at least one inch apart.
- Avoid placing pads directly over joints, bony prominences, or areas with excessive hair.
- For pain relief, place pads around the painful area, not directly on it.
- For muscle stimulation, place pads on the belly of the muscle.
Figure 9.1: This image demonstrates the application of the SURFOU TENS device for targeted pain relief on various body areas, including the neck, lower back, and knee.
Figure 9.2: The device features independent A/B dual channels, allowing two different body areas to be treated simultaneously with varying modes and intensities, as shown with a user and a cat (illustrative for dual use).
10. Charging the Device
The SURFOU TENS/EMS device is equipped with a powerful rechargeable battery, offering up to 10 hours of use on a single charge.
- Connect the provided USB-C cable to the charging port on the device.
- Plug the other end of the USB-C cable into a compatible USB power source (e.g., wall adapter, computer USB port, power bank).
- The battery indicator on the screen will show the charging status.
- A full charge typically takes a few hours.
Figure 10.1: The device features a USB-C port for convenient charging, providing over 10 hours of use on a single charge, as depicted being charged from a laptop.
11. Maintenance
Cleaning the Device:
- Turn off the device and disconnect all cables before cleaning.
- Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
Cleaning Electrode Pads:
- Gently wipe the adhesive side of the pads with a damp cloth or a small amount of mild soap and water.
- Allow pads to air dry completely before reattaching them to the pad adhesive plate or storing them.
- Do not use alcohol or harsh chemicals on the pads.
Storage:
- Store the device and pads in the provided storage bag in a cool, dry place, away from direct sunlight.
- Ensure electrode pads are properly stored on the adhesive plate to maintain their stickiness and prolong their lifespan.
Figure 11.1: A cross-section diagram illustrating the latex-free electrode pad construction, featuring a premium gel layer, conductive carbon film, conductive connection layer, and durable non-woven fabric.
12. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sensation or weak sensation | Low intensity setting Pads not properly adhered Pads are dry or worn out Cables not connected securely Device battery is low | Increase intensity gradually Ensure pads are firmly pressed onto skin Replace pads with new ones Check cable connections to device and pads Charge the device |
| Device does not turn on | Battery is depleted Power button not pressed correctly | Charge the device fully Press and hold the 'T' button for 2-3 seconds |
| Pads lose stickiness | Skin is oily or dirty Pads are old or not stored properly | Clean skin before application Clean pads gently with water and air dry Store pads on adhesive plate Replace pads if stickiness cannot be restored |
| Screen is unresponsive | Screen is locked | Short press the 'T' button to unlock the screen |
13. Specifications
| Feature | Detail |
|---|---|
| Model Number | AS8012B |
| Manufacturer | Dongguanshi Chunxu Trade Co., Ltd. |
| Dimensions | 5.5 x 1.03 x 10.3 cm |
| Weight | 380 g |
| Channels | 2 Independent Channels |
| Modes | 6 Main Modes, 24 Sub-Programs |
| Intensity Levels | 20 Levels |
| Battery Type | 1 Lithium Ion (included) |
| Battery Life | Up to 10 hours per charge |
| Charging Port | USB-C |
| Country of Origin | China |
14. Warranty and Support
SURFOU is committed to providing high-quality products. For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official SURFOU website. Keep your purchase receipt as proof of purchase for any warranty claims.