Introduction
Thank you for choosing the ERHIVORA Cordless Knee Massager. This device is designed to provide targeted heat and vibration massage to your knees, elbows, shoulders, and other body parts, offering comfort and support. Please read this manual thoroughly before use to ensure safe and optimal operation.
Safety Information
Always consult with a healthcare professional before using this device if you have any pre-existing medical conditions, including but not limited to circulatory problems, diabetes, nerve damage, or skin sensitivities. Do not use on open wounds, swollen areas, or areas with skin irritation. Discontinue use immediately if you experience any discomfort or adverse reactions. Keep out of reach of children. This device is not intended to diagnose, treat, cure, or prevent any disease or health condition.
Package Contents
- 1 x ERHIVORA Cordless Knee Massager
- 1 x USB Charging Cable
- 2 x Extension Straps (one long, one short)
- 1 x User Manual
Product Features
- Deep Relief: Offers 3 temperature settings (45℃/110℉, 55℃/130℉, 65℃/150℉) and 3 scientific vibration massage modes for targeted comfort.
- Cordless Design: Integrated rechargeable 4000mAh battery provides 1-3.5 hours of use on a full charge, depending on mode and intensity.
- User-Friendly Operation: Features a large screen display for temperature and battery level, with dedicated buttons for each function.
- Adjustable Fit: Includes two extension straps (one long, one short) to accommodate various body parts such as knees, shoulders, elbows, and legs.

Image: Illustration of three adjustable heating levels: Low (45°C/110°F), Mid (55°C/130°F), and Maximum (65°C/150°F).

Image: Illustration of three adjustable vibrating massage modes: Low (Gentle relax), Mid (Rhythmical comfort), and High (Strong vibration).

Image: Diagram showing the cordless nature of the knee wrap, with charging time (2-3 hours), availability time (1-3.5 hours), and recommended usage time (15-30 minutes).
Setup
- Initial Charge: Before first use, fully charge the device for 2-3 hours using the provided USB charging cable. The battery indicator on the display will show charging progress.
- Attaching the Massager: Place the massager over the desired area (e.g., knee, elbow, shoulder). Secure it using the integrated Velcro straps.
- Using Extension Straps: If the standard straps are not sufficient, attach the long or short extension straps to achieve a comfortable and secure fit. Ensure the fit is snug but not overly tight to allow for proper circulation.

Image: Diagram illustrating the dimensions of the knee massager and the two included extension straps, highlighting their use for various body parts.

Image: Detailed diagram of the control panel, showing buttons for power, heating, and vibration, along with indicators for temperature, battery, and child-lock.
Operating Instructions
- Power On/Off: Long press the power button (ⓘ) to turn the device on or off. The display will illuminate.
- Adjusting Heat: Press the heating button (🔥) to cycle through the three temperature levels: Low, Medium, and High. The current temperature will be displayed.
- Adjusting Vibration: Press the vibration button (💧) to cycle through the three vibration modes: Gentle, Rhythmical, and Strong.
- Child-Lock Function: Short press the power button (ⓘ) to activate the child-lock. The screen will lock, preventing accidental changes. Short press again to unlock.
- Recommended Usage: Use the device for 15-30 minutes per session. The power consumption varies with the selected mode and intensity.
Video: An official product video demonstrating the application of the knee massager, its control panel functions, and its versatility for use on different body parts like the knee, shoulder, and elbow. It also highlights the charging process and child-lock feature.

Image: Collage showing the knee massager being used on various body parts and in different scenarios, including shoulder heating, elbow heating, knee heating, driving, working, and walking.
Maintenance
- Cleaning: Ensure the device is powered off and unplugged before cleaning. Wipe the surface with a soft, damp cloth. Do not immerse the device in water or use harsh chemicals.
- Storage: Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Keep it in its original packaging or a protective bag to prevent damage.
Troubleshooting
- Device Not Turning On: Ensure the device is fully charged. Connect it to the charging cable and allow it to charge for at least 30 minutes before attempting to power on again.
- No Heat/Vibration: Check if the desired mode is selected on the control panel. Ensure the child-lock is not activated.
- Inconsistent Performance: If the device behaves erratically, power it off, wait a few minutes, and then power it back on. Ensure the battery is adequately charged.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 19 x 1.5 x 7 inches |
| Item Weight | 14.39 ounces (0.41 Kilograms) |
| Batteries | 1 x 12V battery required (integrated) |
| Material | Polyester |
| Special Features | Cordless, Adjustable Size, Extension Straps |
| Manufacturer | ERHIVORA |
Warranty and Support
For warranty information or customer support, please refer to the contact details provided with your purchase or visit the official ERHIVORA website. Keep your purchase receipt for warranty claims.
