1. Introduction
This instruction manual provides essential information for the safe and effective use of your onerbl 12V AC DC Adapter. This adapter is designed as a replacement power supply for various devices requiring a 12V DC input, including the Brookstone BAM5000 Thera Spa and similar multi-speed massagers. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Compatibility: Only use this adapter with devices that specify a 12V DC input and a compatible connector type (3.5 mm Jack). Using it with incompatible devices may cause damage to the device or the adapter.
- Power Source: Connect the adapter only to a standard AC 100-240V, 50/60Hz wall outlet.
- Environment: Do not expose the adapter to water, moisture, high temperatures, or direct sunlight. Use indoors only.
- Handling: Do not drop, disassemble, or attempt to repair the adapter. If the adapter is damaged, discontinue use immediately.
- Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it with cloth or other materials.
- Children: Keep out of reach of children.

The adapter features multiple protection mechanisms including short-circuit, over-voltage, and over-current protection for enhanced safety.
3. Package Contents
The package contains the following item:
- 1 x onerbl 12V AC DC Adapter (Model B0C9HTCRP9)

Front and side views of the onerbl 12V AC DC Adapter.
4. Setup Instructions
- Verify Compatibility: Before connecting, ensure your device requires a 12V DC power input and has a compatible 3.5 mm jack. Check your device's original power adapter or specifications.
- Connect to Device: Insert the DC output plug of the onerbl adapter firmly into the power input port of your device.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard AC 100-240V wall outlet.
- Power On: Once connected, your device should receive power. Refer to your device's manual for specific power-on procedures.

The adapter connected to a power strip and a compatible device.
5. Operating Instructions
The onerbl 12V AC DC Adapter operates automatically once connected to a power source and a compatible device. It provides a stable 12V DC output to power your electronic equipment.
- Ensure all connections are secure before operating your device.
- The adapter is designed for continuous use within its specified voltage and current limits.
- If your device has an on/off switch, use that to control its power. The adapter itself does not have a power switch.
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 exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and its cable for any signs of damage, such as cuts, fraying, or bent prongs. If damage is found, discontinue use and replace the adapter.

The adapter features a durable design with quality copper wire and a PVC jacket for longevity.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Adapter feels hot during use. |
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If the problem persists after trying these solutions, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Model | B0C9HTCRP9 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | 12 Volts DC |
| Connector Type | 3.5 mm Jack |
| Color | Black |
| Item Weight | 8 Ounces (approx. 227g) |
| Cable Length | Approx. 76 inches (193 cm) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Physical dimensions and cable length of the onerbl 12V AC DC Adapter.
9. Warranty and Support
For warranty information or technical support, please refer to the seller's policy 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.