1. Product Overview
The GILLIER Smart Knee Massager (Model PY128-2) is designed to provide targeted relief and comfort through a combination of heat, red light, and massage therapy. This device is engineered for ease of use and portability, allowing for therapeutic sessions at home or on the go.
Key Features:
- LED touchable panel for user-friendly control and clear indication.
- Three adjustable vibration modes for personalized massage intensity.
- Three heating modes: 98℉, 104℉, 110℉ for customizable thermal therapy.
- Integrated red light therapy to support comfort.
- Ergonomically designed with adjustable straps for a secure and comfortable fit.

Figure 1: Front view of the GILLIER Smart Knee Massager.
2. Setup Guide
2.1 Unboxing
Carefully open the product packaging and ensure all components are present. The package should contain:
- GILLIER Smart Knee Massager device
- Instruction manual
- Type-C USB Charging Cable

Figure 2: Package contents including the massager, manual, and charging cable.
2.2 Charging the Device
Before first use, fully charge the massager. Connect the provided Type-C USB charging cable to the device's charging port and plug the other end into a compatible USB power adapter (not included). The LED indicator will show charging status and turn solid when fully charged. A full charge typically takes 3-4 hours.
2.3 Wearing the Massager
Place the massager on your knee, ensuring the control panel faces upwards and is easily accessible. Secure the device using the adjustable Velcro straps. Adjust the straps to achieve a snug yet comfortable fit that allows for proper contact with your knee without restricting circulation.

Figure 3: Proper placement of the massager on the knee.
3. Operating Instructions
3.1 Control Panel Overview
The device features an intuitive LED touchable panel for easy operation. The panel displays current settings for heat, vibration mode, intensity, and remaining time.

Figure 4: Detailed view of the LED touchable control panel.
3.2 Power On/Off
To power on the device, press and hold the 'On/Off' button on the control panel. The device will typically start in a default mode. To power off, press and hold the 'On/Off' button again.
3.3 Adjusting Vibration Modes
The massager offers three distinct vibration modes. Press the 'Mode' button to cycle through the available options (e.g., continuous, intermittent, wave). Select the mode that best suits your preference.
3.4 Adjusting Heating Levels
There are three heating levels available: 98℉, 104℉, and 110℉. Press the 'Heating' button to cycle through these temperature settings. You can also turn off the heating function if desired.
3.5 Red Light Therapy
Activate or deactivate the red light therapy by pressing the 'Red Light' button. The red lights are located inside the massager to provide direct exposure to the knee area.

Figure 5: Internal view showing the red light therapy elements.
3.6 Timer Function
The device includes a timer function, allowing you to set the duration of your massage session. Available timer options typically include 15, 20, 25, and 30 minutes. The device will automatically power off once the selected time has elapsed.
3.7 Multi-Area Application
While primarily designed for the knee, the ergonomic and adjustable nature of the massager allows for application on other joints such as elbows and shoulders, depending on comfort and fit.

Figure 6: Versatile application of the massager on various joints.
4. Care and Maintenance
4.1 Cleaning
To clean the device, ensure it is powered off and unplugged. Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water. Allow it to air dry completely before storage or next use.
4.2 Storage
Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Keep it out of reach of children and pets.
5. Troubleshooting
5.1 Device Not Turning On
- Ensure the device is fully charged. Connect it to the charger and wait for the indicator light to confirm charging.
- Press and hold the 'On/Off' button for a few seconds to ensure proper activation.
5.2 No Heat or Vibration
- Check the selected mode and heating level on the control panel. Adjust as needed.
- Ensure the device is securely fastened to your knee to allow for proper contact and function.
5.3 Red Light Not Activating
- Press the 'Red Light' button to toggle the function on.
- If the issue persists, ensure the device has sufficient battery charge.
6. Product Specifications
| Product Dimensions | 9.65 x 4.72 x 6.3 inches; 1.81 Pounds |
| Item Model Number | PY128-2 |
| Batteries | 1 12V battery required (included) |
| Manufacturer | Foshan Pinyan Electronic Technology Co., Ltd |
7. Important Safety Information
Please read and understand all safety instructions before using this product. Failure to do so may result in injury or damage to the device.
- Do not use the device if you have any open wounds, skin irritations, or severe medical conditions on the area of application. Consult a physician if you have concerns.
- Keep the device away from water and high humidity.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- 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.
8. Warranty and Customer Support
For warranty information, technical support, or any questions regarding your GILLIER Smart Knee Massager, please refer to the contact details provided in the product packaging or visit the official GILLIER website. Please retain your proof of purchase for warranty claims.