1. Introduction
This manual provides instructions for the Generic Electric Heated Shoulder Massager (Model B0FJLY47PL). This device is designed to provide targeted massage and heat therapy to the shoulder area, aiming to relieve discomfort and fatigue.
Key features include dual vibration motors with three frequency levels for varied massage techniques, and three adjustable heating temperatures. The massager is powered via a USB 5V interface for versatile use.

Image 1.1: The shoulder massager applies heat therapy to the shoulder joint, as illustrated by an anatomical diagram highlighting muscle and bone structure.
2. Safety Information
- Read all instructions before use.
- Do not use if you have open wounds, skin irritations, or severe circulatory problems.
- Consult a physician before use if you have a pacemaker, are pregnant, or have any pre-existing medical conditions.
- Do not use while sleeping.
- Do not immerse the device in water or use it in excessively damp environments.
- Keep out of reach of children.
- Unplug the device when not in use or before cleaning.
- Do not use if the power cord or plug is damaged.
- Avoid prolonged use on a single area to prevent skin irritation or burns.
3. Package Contents
Verify that all items are present in the package:
- 1 x Electric Heated Shoulder Massager
- 1 x USB Power Cable
- 1 x User Manual (this document)

Image 3.1: A general view of the electric heated shoulder massager, showing its adjustable straps and control panel.
4. Setup
- Prepare the Device: Unpack the shoulder massager and ensure it is free from any packaging materials.
- Connect Power: Connect the USB power cable to the massager's port. Plug the other end of the USB cable into a compatible 5V USB power source (e.g., power bank, phone charger, car charger).
- Position the Massager: Place the massager over your shoulder, ensuring the heating and massage elements are positioned correctly on the desired area.
- Adjust Straps: Use the adjustable straps to secure the massager firmly but comfortably around your shoulder and chest. Ensure a snug fit for optimal contact and heat transfer. The strap is designed to fit chest circumferences from 27-55 inches (68.6-139.7 cm) and arm circumferences from 9-18 inches (22.9-45.7 cm).

Image 4.1: This diagram illustrates the dimensions of the shoulder massager and its extended strap, indicating suitability for various chest and arm sizes.
5. Operating Instructions
- Power On/Off: Long press the power button (usually indicated by a power symbol) for 3 seconds to turn the device ON or OFF.
- Adjust Heating Level: Short press the heating button (often indicated by a temperature or heat symbol) to cycle through the three heating levels:
- Blue Light: Low temperature (45°C)
- White Light: Medium temperature (55°C)
- Red Light: High temperature (60°C)
- Adjust Massage Level: Short press the massage/vibration button (if separate, or the same button as heating if combined) to cycle through the three vibration frequencies.
- Combined Use: The heating and vibration functions can be used independently or simultaneously.
- Session Duration: It is recommended to use the massager for sessions of 15-30 minutes. Avoid continuous use for more than 60 minutes.

Image 5.1: This image illustrates the intelligent temperature control feature, showing three adjustable heat settings: 45°C (blue light), 55°C (white light), and 60°C (red light).
6. Maintenance
- Cleaning: Disconnect the power before cleaning. Wipe the surface of the massager with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the massager in a cool, dry place, away from direct sunlight and moisture.
- Care: Do not twist or bend the heating elements excessively. Avoid placing heavy objects on the massager.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | No power or loose connection. | Ensure the USB cable is securely connected to both the massager and a working 5V power source. Try a different USB port or power adapter. |
| Heat function not working. | Heat function not activated or low power. | Short press the heating button to cycle through heat levels. Ensure the power source provides sufficient current (e.g., 2A for optimal heating). |
| Vibration function not working. | Vibration function not activated. | Short press the massage/vibration button to activate and cycle through vibration levels. |
| Device feels too hot. | High heat setting selected. | Reduce the heat level by pressing the heating button. Discontinue use if discomfort persists. |
8. Specifications
- Model: B0FJLY47PL
- Part Number: JSX7YLL29M8GS
- Brand: Generic
- Power Supply: USB 5V
- Heating Temperatures: 45°C (Low), 55°C (Medium), 60°C (High)
- Heating Material: Carbon Fiber Heating Sheet
- Massage Modes: 3 Vibration Frequencies
- Product Dimensions: Approximately 300 x 490 mm (11.8 x 19.3 inches)
- Adjustable Strap Fit: Chest 27-55 inches (68.6-139.7 cm), Arm 9-18 inches (22.9-45.7 cm)
- Care Part: Shoulder
- Country of Origin: China

Image 8.1: This image highlights the carbon fiber far infrared electrothermal heating technology integrated into the shoulder massager.
9. Warranty and Support
This product is sold by a third-party seller. For warranty information or technical support, please refer to the seller's policies on the platform where the product was purchased. Keep your purchase receipt as proof of purchase.
For further assistance, you may contact the seller directly through the platform's messaging system.