1. Product Overview
The ACYEAH Double Chin Reducer Machine is a portable V Line Face Lift Massager designed to help improve facial contour and skin elasticity. This device utilizes advanced technology, including red and blue light therapy, along with various massage modes and vibration levels, to provide a comprehensive facial care experience. It is intended for personal use to support a more defined facial appearance.

Figure 1.1: Device in use, targeting facial areas for contour improvement.
2. Safety Information
- Read all instructions carefully before first use.
- Do not use on broken, irritated, or infected skin.
- Consult a physician before use if you have any pre-existing medical conditions, especially skin conditions, heart conditions, or if you are pregnant.
- Keep out of reach of children.
- Do not immerse the device in water or other liquids.
- Use only the provided USB data cable for charging.
- Discontinue use if you experience any discomfort or adverse reactions.
3. Package Contents
Please check the package to ensure all items are present:
- 1 x ACYEAH V Line Face Lift Massager
- 1 x User Manual
- 1 x USB Data Cable
4. Product Features
The ACYEAH V Line Face Lift Massager incorporates several features to enhance its effectiveness:
- Red Infrared Ray: Provides a hot compress effect, which can promote blood circulation, enhance skin elasticity, and support anti-aging, anti-oxidation, and skin repairing processes.
- Blue Ray Therapy: Helps to relieve skin inflammation, calm the skin, clean and sterilize the skin, and may reduce acne, wrinkles, scars, and shrink pores.
- 5 Optional Modes: Includes Automatic, Massage, Knead, Needle, and Thrash modes, with red light alternating with blue light therapy for varied treatment.
- 8 Vibration Levels: Designed to help relax facial muscles, improve the strength of micromuscles, increase facial flexibility, and contribute to lifting and tightening facial muscles for shaping the face.

Figure 4.1: Illustration of the device's technology and potential skin benefits.
5. Setup
5.1 Charging the Device
Before first use, ensure the device is fully charged.
- Connect the provided USB Data Cable to the charging port on the device.
- Plug the other end of the USB cable into a suitable power source (e.g., USB wall adapter, computer USB port).
- The device will fully charge in approximately 2 hours. A full charge supports 12-15 uses.
- The charging indicator light will change to indicate a full charge (refer to device specific light indicators if available, otherwise assume a standard change).
5.2 Wearing the Device
The device is designed for comfortable and secure wear during use.
- Gently open the device to fit around your chin and jawline.
- Adjust the straps or bands to ensure a snug but comfortable fit. The device should sit securely without causing pressure or discomfort.
- Ensure the contact points of the device are properly positioned on the desired areas of your face.

Figure 5.1: Examples of wearing the device comfortably during various activities.
6. Operating Instructions
6.1 Power On/Off
- To power on the device, press and hold the power button (refer to device for exact button location).
- To power off the device, press and hold the power button again.
- The device features an automatic shut-off function after 15 minutes of continuous operation.
6.2 Selecting Modes
The device offers 5 distinct massage modes:
- Automatic: A combination of various massage techniques.
- Massage: Gentle, rhythmic massage.
- Knead: Deeper, kneading motions.
- Needle: Pulsating, acupuncture-like sensation.
- Thrash: Stronger, tapping motions.
Press the mode selection button (refer to device for exact button location) to cycle through the available modes. The active mode will typically be indicated by an LED light or display.
6.3 Adjusting Intensity
The device provides 8 vibration levels and 12 levels of intensity adjustment to customize your experience.
- Use the '+' and '-' buttons (refer to device for exact button locations) to increase or decrease the intensity level.
- Start with a lower intensity and gradually increase it to a comfortable level.

Figure 6.1: Overview of massage modes and intensity levels.
6.4 Recommended Usage
For optimal results, consistent use is recommended. The device automatically shuts down after 15 minutes per session.
- Levels 1-3: Recommended for individuals with relatively sensitive skin or thin stratum corneum.
- Levels 4-6: Suitable for moderate users, typically for 3-5 weeks, for those with moderate masseter hypertrophy or double chin concerns.
- Levels 7-9: For users after approximately 3 months of use, or those with a wide and flat mandible under severe stress.
- Levels 10-12: For advanced users, after half a year or more of consistent use, to consolidate results.

Figure 6.2: Visual representation of potential results after consistent use.
7. Maintenance
Proper care and maintenance will prolong the life of your device.
- Cleaning: After each use, gently wipe the contact surfaces of the device with a soft, damp cloth. 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. Keep it in its original packaging or a protective case when not in use.
- Charging: Ensure the charging port is clean and dry before connecting the USB cable.
8. Troubleshooting
If you encounter any issues with your device, please refer to the following common solutions:
- Device not turning on:
- Ensure the device is fully charged. Connect it to a power source using the provided USB cable and allow it to charge for at least 2 hours.
- Press and hold the power button firmly for a few seconds.
- No vibration or light:
- Check if the device is powered on.
- Ensure the selected mode and intensity level are active. Increase the intensity if necessary.
- The device may have automatically shut off after 15 minutes; restart it.
- Discomfort during use:
- Reduce the intensity level.
- Adjust the fit of the device to ensure it is not too tight or improperly positioned.
- If discomfort persists, discontinue use and consult a healthcare professional.
If these steps do not resolve the issue, please contact customer support.
9. Specifications
| Brand Name | ACYEAH |
| Model | V Line Face Lift Massager |
| ASIN | B0BVVS2P7J |
| UPC | 731220514014 |
| Power Source | Battery Powered |
| Voltage | 3.7 Volts |
| Color | White |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Included Components | Face Massager, Manual, USB Data Cable |
| Manufacturer | HEYCCO |
| Date First Available | June 24, 2024 |
10. Warranty Information
No specific warranty information is provided in the product details. Please refer to your purchase documentation or contact the seller/manufacturer for details regarding warranty coverage.
11. Customer Support
For further assistance, technical support, or inquiries regarding your ACYEAH Double Chin Reducer Machine, please contact the seller through the platform where you purchased the product. You may also refer to the manufacturer's official website (HEYCCO) or the brand's official channels (ACYEAH) for additional support resources.