1. Introduction
Thank you for choosing the MOAJAZA Cordless Knee Massager. This device is designed to provide targeted heat and vibration massage for your knee, shoulder, and elbow, aiming to enhance comfort and support recovery. Please read this manual thoroughly before use to ensure safe and effective operation.
2. Safety Information
Before using the massager, please observe the following safety guidelines:
- Do not use near water or in excessively humid environments.
- Discontinue use immediately if you experience any pain or discomfort.
- Ensure correct body positioning as described in the operating instructions.
- Consult a healthcare professional before use if you have any pre-existing medical conditions, especially those related to muscle and joint pain, injury recovery, or circulation.
- This device is not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Package Contents
The package includes:
- 1 x MOAJAZA Cordless Knee Massager (Blue)
- 1 x USB-C Charging Cable
- 2 x Extension Straps
4. Product Features
- Dual Heating and Vibration Massage: Offers 3 vibration intensities (soothing to deep tissue) and 3 heat settings (113°F–167°F) to promote circulation and relieve discomfort.
- Cordless Design: Equipped with a built-in 5000mAh rechargeable battery for portable use during various activities such as yoga, office work, or travel.
- Versatile Application: Adjustable straps allow for use as a knee brace, elbow/shoulder warmer, or leg/arm sleeve.
- User-Friendly Control: Features a smart touch controller with a digital display for easy adjustment of temperature and vibration functions.
- Comfortable Material: Made from breathable fabric for enhanced comfort during use.
5. Setup and Charging
5.1 Initial Charging
Before first use, fully charge the massager using the provided USB-C charging cable. The charging indicator on the control panel will show the charging status.
5.2 Attaching Extension Straps
If needed, attach the included extension straps to achieve a comfortable and secure fit around larger body parts.

Figure 1: MOAJAZA Cordless Knee Massager.
6. Operating Instructions
6.1 Wearing the Massager
Place the massager on the desired body part (knee, elbow, or shoulder). Secure it with the adjustable straps to ensure a snug but comfortable fit.

Figure 2: Massager worn on the knee.
6.2 Power On/Off
Long-press the power button on the control panel for 3 seconds to turn the device on or off.

Figure 3: Smart touch control panel.
6.3 Adjusting Heat Function
Press the heat button (flame icon) to activate the heating function. Press repeatedly to cycle through the 3 available heat settings (Low, Medium, High). The digital display will show the current temperature.
6.4 Adjusting Vibration Function
Press the vibration button (wave icon) to activate the vibration function. Press repeatedly to cycle through the 3 available vibration intensities (Low, Medium, High).
6.5 Combined Use
Both the heat and vibration functions can be used independently or simultaneously for a customized experience.
6.6 Anti-Mistouch Lock
The control panel features an anti-mistouch lock. Press the lock button to prevent accidental changes to settings during use.
Video 1: Demonstrates the cordless heating pad in use, highlighting its comfort and portability.
7. Versatile Application
The MOAJAZA Cordless Massager is designed for use on multiple body parts:
- Knee: Provides targeted relief for knee discomfort.
- Shoulder: Helps relax and warm shoulders, ideal for desk workers or those with stiffness.
- Elbow: Apply heat and massage to the elbow for comfort.

Figure 4: Massager worn on the shoulder.

Figure 5: Massager worn on the elbow.
8. Maintenance
- Cleaning: Wipe the massager with a soft, damp cloth. Do not immerse in water.
- Storage: Store in a cool, dry place away from direct sunlight when not in use.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge regularly, even if not in constant use.
9. Troubleshooting
- Device not turning on: Ensure the device is fully charged. Long-press the power button for 3 seconds.
- No heat/vibration: Check if the respective function buttons have been pressed and the settings are displayed on the screen. Ensure the anti-mistouch lock is not engaged if you are trying to change settings.
- Weak vibration: Cycle through the vibration settings to select a higher intensity.
10. Specifications
| Feature | Specification |
|---|---|
| Model Number | 784548614799 |
| Battery Capacity | 5000mAh Lithium Polymer (included) |
| Charging Port | USB-C |
| Heat Settings | 3 levels (113°F–167°F / 45°C–75°C) |
| Vibration Settings | 3 intensities |
| Material | Fabric |
| Color | Blue |
| Package Dimensions | 7.09 x 5.12 x 3.39 inches |
| Item Weight | 15.52 ounces |
| Manufacturer | Shenzhen Keepfit Technology Co., Ltd. |
11. Warranty and Support
MOAJAZA offers a 365-day free replacement for any reasons. For personalized service and support, please contact MOAJAZA-US directly. Your satisfaction is our priority.