Introduction
This manual provides instructions for the safe and effective use of your Onerbl AC/DC Adapter. This power supply is designed to operate and charge compatible Craig Electronics portable stereo Bluetooth speakers, specifically models CMA3558, CMA3581, and CMA3576, from standard electrical power outlets.

Image 1: Front and side view of the Onerbl AC/DC adapter. The adapter features a standard two-prong plug and a compact black body. The front label indicates "AC Adapter Input: 100-240VAC 0.3A 50/60Hz" and "MADE IN CHINA".
Setup Instructions
- Verify Compatibility: Ensure your device is a Craig Electronics portable stereo Bluetooth speaker model CMA3558, CMA3581, or CMA3576. This adapter is specifically designed for these models.
- Inspect Adapter: Before use, visually inspect the AC/DC adapter and its cord for any signs of damage, such as cuts, frayed wires, or bent prongs. Do not use if damaged.
- Connect to Device: Plug the DC output connector of the Onerbl adapter into the power input port of your Craig Electronics speaker. Ensure a secure connection.
- Connect to Power Outlet: Insert the AC input plug of the adapter into a standard electrical wall outlet (AC 100-240V, 50/60Hz).
- Power On Device: Once connected, you can power on your Craig Electronics speaker. The adapter will provide power for operation and charge the device's battery if applicable.
Operating Instructions
The Onerbl AC/DC adapter functions as a power source and battery charger for your compatible Craig Electronics speaker. It converts the alternating current (AC) from your wall outlet into the direct current (DC) required by your device.
- Powering the Device: When connected, the adapter supplies continuous power to your speaker, allowing it to operate without relying on its internal battery.
- Charging the Battery: If your speaker has a rechargeable battery, the adapter will automatically charge it while connected to a power outlet. Refer to your speaker's manual for battery charging indicators.
- Worldwide Compatibility: The adapter supports a wide input voltage range (AC 100-240V), making it suitable for use in various regions with appropriate plug adapters (not included).

Image 2: The Onerbl AC/DC adapter in use, plugged into a power strip on a white desk. The adapter's compact design allows it to fit alongside other plugs.
Maintenance
Proper care ensures the longevity and safe operation of your Onerbl AC/DC adapter.
- Cleaning: Disconnect the adapter from the power outlet and your 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 cord to prevent damage.
- Inspection: Periodically check the adapter and its cord for any signs of wear, damage, or overheating. If any damage is observed, discontinue use immediately.
- Environmental Conditions: Avoid exposing the adapter to moisture, rain, or excessive humidity.
Troubleshooting
If you encounter issues with your Onerbl AC/DC adapter, refer to the following common solutions:
- Device Not Powering On or Charging:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Verify the wall outlet is functional by testing it with another appliance.
- Check the adapter cord and connectors for any visible damage. If damaged, discontinue use.
- Confirm that your device is one of the compatible models (CMA3558, CMA3581, CMA3576).
- Adapter Feels Hot:
- It is normal for power adapters to feel warm during operation. However, if it becomes excessively hot to the touch or emits a burning smell, immediately disconnect it from the power source and discontinue use.
- Ensure adequate ventilation around the adapter.
Specifications
| Brand | Onerbl |
| Compatible Models | Craig Electronics CMA3558, CMA3581, CMA3576 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Cord Length | 6.5 feet (approximately 1.98 meters) |
| Product Dimensions | 15.24 x 10.16 x 5.08 cm (6 x 4 x 2 inches) |
| Item Weight | 226.8 g (8 Ounces) |
| Safety Features | Over Voltage Protection, Over Heat Protection |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image 3: Dimensional view of the Onerbl AC/DC adapter. The main body measures approximately 2.6 inches in length, 1.6 inches in width, and 1.2 inches in height. The attached power cord has a length of 76 inches.
Warranty and Support
Your Onerbl AC/DC adapter comes with the following:
- Warranty: 1-year product warranty.
- Money-Back Guarantee: 90-day money-back guarantee.
For any questions or assistance regarding this product, please contact the seller or manufacturer directly. They are available to provide support and address any concerns you may have.