1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC Wall Power Charger Adapter, designed for compatibility with AUDIOVOX D1708 and D1708PK Portable DVD players. Please read this manual thoroughly before use and retain it for future reference.
2. Product Overview
The onerbl AC Wall Power Charger Adapter is a replacement power supply unit. It features a universal input voltage range and incorporates safety mechanisms to protect connected devices.

Image 2.1: The onerbl AC Wall Power Charger Adapter with its coiled power cord. The adapter is black with a standard US plug, and the cord is approximately 6.5 feet long.
Key Features:
- Input Voltage: AC 100-240V, 50/60Hz (worldwide compatibility).
- Cord Length: Approximately 6.5 feet (76 inches) for extended reach.
- Safety Protections: Includes over voltage protection, over heat protection, short-circuit protection, and over-current protection.
- Durable Design: Constructed with quality materials, including copper wire and a PVC jacket for the cable.

Image 2.2: Illustration of the adapter's internal smart chip providing multiple safety protections, including short-circuit, over-voltage, and over-current protection.

Image 2.3: Depiction of the adapter's quality control and durable design, highlighting the copper wire construction and robust plug.
3. Setup
- Verify Compatibility: Ensure your device, such as the AUDIOVOX D1708 or D1708PK Portable DVD player, requires an AC adapter with the specified voltage and connector type.
- Connect to Device: Insert the adapter's output plug firmly into the power input port of your portable DVD player.
- Connect to Power Outlet: Plug the AC adapter into a standard wall power outlet (AC 100-240V, 50/60Hz).

Image 3.1: The onerbl AC adapter correctly plugged into a wall outlet, ready to power a device.

Image 3.2: The extended cord design allows for flexible placement of the adapter and the connected device, illustrating its practical use in various settings.
4. Operating Instructions
Once connected, the adapter will supply power to your device. If your device has a battery, the adapter will also charge it, provided the device's charging circuit is functional.
- Ensure all connections are secure before powering on your device.
- The adapter is designed for continuous use but should be unplugged when not in use for extended periods.
5. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a dry, soft cloth to wipe the surface. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the cable and adapter housing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use immediately.
6. Troubleshooting
- Device Not Powering On/Charging:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Verify the wall outlet is functional by testing it with another appliance.
- Check the adapter cable for any visible damage.
- Confirm the adapter is the correct specification for your device.
- Adapter Overheating:
- A slight warmth is normal during operation. If the adapter becomes excessively hot, unplug it immediately.
- Ensure adequate ventilation around the adapter. Do not cover it.
- If overheating persists, discontinue use and contact support.
7. Specifications
| Feature | Specification |
|---|---|
| Model Compatibility | AUDIOVOX D1708, D1708PK Portable DVD Players |
| Input Voltage | AC 100-240V, 50/60Hz |
| Cable Length | Approximately 6.5 feet (76 inches) |
| Item Weight | 8 ounces |
| Special Features | Portable, Travel, Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image 7.1: Physical dimensions of the onerbl AC adapter, showing approximate measurements of 3.1 inches in length, 2.1 inches in width, and 1.2 inches in thickness.

Image 7.2: The label on the AC adapter, indicating input specifications (100-240V AC, 50/60Hz) and various safety certifications. It also states "CAUTION INDOOR USE ONLY" and "MADE IN CHINA".
8. Safety Information
- Indoor Use Only: This adapter is designed for indoor use. Do not expose it to rain, moisture, or extreme temperatures.
- Avoid Overloading: Do not connect devices that exceed the adapter's specified output capabilities.
- Proper Ventilation: Ensure the adapter has adequate ventilation during use. Do not cover it with cloth or place it in an enclosed space.
- Handle with Care: Avoid dropping or subjecting the adapter to strong impacts.
- Children and Pets: Keep the adapter and its cable out of reach of children and pets to prevent accidents.
- Unplug When Not in Use: Disconnect the adapter from the power outlet when not in use for extended periods or during electrical storms.
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. The manufacturer is Shenzhen Waweis Technology Co., Ltd.