1. Introduction
This manual provides essential information for the safe and effective use of your onerbl 9V AC/DC Adapter. This adapter is designed to provide reliable power for compatible devices, specifically Sharper Image massage guns requiring a 9V DC power supply, including models 1011667, 101-1667, and 2311914.
2. Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Indoor Use Only: This adapter is designed for indoor use in dry locations. Do not expose to rain, moisture, or extreme temperatures.
- Correct Voltage: Ensure the wall outlet voltage matches the adapter's input voltage (AC 100-240V).
- Proper Connection: Always connect the adapter to the device before plugging it into a power outlet. Disconnect from the power outlet before disconnecting from the device.
- Avoid Damage: Do not use the adapter if the cord or plug is damaged. Do not bend, twist, or pull the cord excessively.
- Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it with cloth or place it in an enclosed space.
- Children and Pets: Keep the adapter out of reach of children and pets.
- Disassembly: Do not attempt to disassemble or modify the adapter. Refer all servicing to qualified personnel.
3. Package Contents
Verify that all items are present in your package:
- 1 x onerbl 9V AC/DC Adapter
4. Setup
Follow these steps to set up your onerbl 9V AC/DC Adapter:
- Inspect the Adapter: Before use, visually inspect the adapter and its cable for any signs of damage.
- Connect to Device: Insert the DC output plug of the adapter firmly into the power input port of your compatible Sharper Image massage gun.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard wall power outlet (AC 100-240V, 50/60Hz).

Figure 4.1: The onerbl 9V AC/DC Adapter, showing the main unit and connected cable.

Figure 4.2: Example of the adapter connected to a power strip and supplying power to a device.
5. Operating Instructions
Once properly connected, the adapter will supply power to your device. For charging battery-powered devices, refer to your device's specific charging indicators and instructions.
- The adapter is designed for continuous power supply or charging compatible devices.
- It features built-in protections against short-circuit, over-voltage, and over-current to ensure safe operation.

Figure 5.1: The adapter incorporates multiple safety protections for electrical safety.
6. Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter.
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid wrapping the cable too tightly around the adapter.
- Cable Care: Regularly check the power cord for any cuts, fraying, or damage. If damage is found, discontinue use immediately.

Figure 6.1: The adapter cable features durable copper wire and a PVC jacket for reliability.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
- No Power Output:
- Ensure the adapter is securely plugged into a working wall outlet.
- Verify that the DC plug is firmly connected to your device.
- Test the wall outlet with another device to confirm it has power.
- Check the adapter cable for any visible damage.
- Device Not Charging:
- Confirm that your device is compatible with a 9V DC power supply.
- Ensure the device's charging port is clean and free of debris.
- If your device has a removable battery, ensure it is correctly inserted.
- Adapter Overheating:
- Disconnect the adapter immediately.
- Ensure the adapter is not covered and has adequate ventilation.
- If overheating persists, discontinue use and contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 9V |
| Wattage | 36.5 watts |
| Compatible Devices | Sharper Image Models 1011667, 101-1667, 2311914 (1.4Ah battery massage guns) |
| Included Components | 1 x AC Adapter |
| Special Feature | Travel-friendly design, Over Voltage Protection, Over Heat Protection, Short-Circuit Protection |
| Cable Length | Approximately 76 inches (6.3 feet) |

Figure 8.1: Physical dimensions of the adapter and cable length.

Figure 8.2: Illustration of the adapter's cable length.

Figure 8.3: The adapter is suitable for various 9V DC devices, including the specified massage guns.
9. Warranty and Support
For warranty information or technical support, please refer to the seller's policies or contact the manufacturer directly. Details are typically provided at the point of purchase or on the product packaging.