1. Introduction
This user manual provides essential information for the safe and effective use of your new AC/DC Adapter. This adapter is designed to provide reliable power for compatible Maxkare XKMS-412, XKMS-412R, and XKMS412 Shiatsu Neck Shoulder Massagers, as well as other devices requiring a similar power supply. Please read this manual thoroughly before use and retain it for future reference.
2. Product Features
- Wide Input Voltage: Supports World Wide Input Voltage 100-240VAC 50/60Hz, making it suitable for international use.
- Safety Protections: Equipped with OVP (Over Voltage output Protection), OCP (Over Current output Protection), and SCP (Short Circuit output Protection) to ensure safe operation and protect your devices.
- Compatibility: Specifically designed to be compatible with Maxkare XKMS-412, XKMS-412R, XKMS412 Shiatsu Neck Shoulder Massagers, and other similar electric back massage power supply needs.
- Reliable Performance: Tested units are in great working condition, providing a stable power supply.
3. What's in the Box
Upon opening the package, please verify that all components are present and undamaged:
- 2 x AC Adapter
4. Setup Instructions
Follow these steps to set up your AC/DC adapter:
- Identify the Device: Ensure the device you intend to power is compatible with the adapter's voltage and current specifications (e.g., Maxkare XKMS-412 series massagers).
- Connect to Device: Insert the barrel connector of the AC/DC adapter firmly into the power input port of your device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard wall power outlet (100-240VAC, 50/60Hz).
- Verify Connection: Ensure both connections are secure. The device should now receive power.

Image: The AC/DC adapter with its barrel connector, ready for connection.
5. Operating Instructions
Once connected, the AC/DC adapter provides continuous power to your device. No specific operational steps are required for the adapter itself beyond proper connection.
- Ensure the adapter is placed in a well-ventilated area to prevent overheating.
- Do not cover the adapter during operation.
- Unplug the adapter from the wall outlet when not in use for extended periods.

Image: The compact size of the adapter allows for easy portability, fitting into a pocket.
6. Maintenance and Care
Proper maintenance ensures the longevity and safe operation of your AC/DC adapter:
- Cleaning: Disconnect the adapter from power before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly winding the cable to prevent damage.
- Handling: Do not drop, disassemble, or attempt to repair the adapter. Avoid exposing it to water or high humidity.

Image: The adapter features a 6.5 ft (approximately 2 meter) long cable for flexible placement.
7. Troubleshooting
If you encounter issues with your AC/DC adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on | Adapter not plugged in correctly; Wall outlet not active; Device issue; Incompatible device. | Ensure adapter is fully plugged into both the device and the wall outlet. Test the wall outlet with another device. Verify device compatibility. |
| Adapter feels hot | Normal operation heat; Poor ventilation; Overload. | Some warmth is normal. Ensure adapter is in a well-ventilated area. Disconnect if excessively hot and check device power requirements. |
| Intermittent power | Loose connection; Damaged cable/connector. | Check all connections for tightness. Inspect the cable and connector for visible damage. If damaged, discontinue use. |
8. Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | dsf03130071 |
| Input Voltage | 100-240VAC, 50/60Hz |
| Connectivity Technology | DC Barrel |
| Connector Type | Barrel Connector |
| Color | Black |
| Mounting Type | Wall Mount |
| Included Components | 2 x AC Adapter |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| First Available Date | March 13, 2022 |

Image: Detailed dimensions of the AC/DC adapter, showing its compact size (approx. 2.7 in x 1.2 in x 1.6 in).
9. Warranty Information
Specific warranty details for this product are not provided in the product listing. For information regarding warranty coverage, please refer to the seller's return policy or contact the seller directly through the platform where the purchase was made. Typically, electronic accessories may come with a limited manufacturer's warranty against defects in materials and workmanship.
10. Customer Support
For any questions, concerns, or technical assistance regarding your AC/DC adapter, please contact the seller directly via the messaging system on the platform where you purchased the product. Provide your order number and a detailed description of your inquiry for prompt assistance.