1. Introduction
Thank you for choosing the onerbl 24V AC/DC Power Adapter. This adapter is designed to provide reliable and stable power to compatible devices, including various UComfy and Emson Innov massagers. Please read this manual carefully before use to ensure proper operation and safety.
2. Safety Information
To prevent electric shock, fire, or damage to the product, please observe the following safety precautions:
- Use the adapter only with devices that require 24V DC and a maximum of 2.5A.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not disassemble or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Ensure the power outlet is easily accessible and unplug the adapter during lightning storms or when unused for long periods.
- This adapter features built-in Over Voltage Protection, Over Heat Protection, and Short-Circuit Protection to safeguard your devices.

Image: The adapter incorporates a smart chip for multiple protection features, including short-circuit, over-voltage, and over-current protection, ensuring electrical safety.
3. Package Contents
Verify that all items are present in your package:
- 1 x onerbl 24V AC/DC Power Adapter
- 2 x Cables (AC Power Cord and DC Output Cable)

Image: The main onerbl 24V AC/DC Power Adapter unit.

Image: The detachable 2-prong AC power cord that connects the adapter to the wall outlet.
4. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide Compatible) |
| Output Voltage | DC 24V |
| Output Current | 2.5 Amps |
| Connector Type | 2-Pin |
| Special Feature | Travel-friendly design |
| Protection Features | Over Voltage, Over Heat, Short-Circuit Protection |
| Included Components | 1 x Power Adapter, 2 x Cables |

Image: Detailed dimensions of the power adapter and its connected cables. The adapter measures 4.2 inches in length, and the total cable length is 127.8 inches.

Image: Illustration of the cable's durable design, featuring copper wire and a PVC jacket for enhanced longevity and safety.
5. Setup and Connection
Follow these steps to connect your power adapter:
- Connect the 2-prong AC power cord to the adapter unit.
- Plug the DC output cable from the adapter into the power input port of your compatible device (e.g., UComfy massager).
- Insert the 2-prong AC power cord into a standard wall outlet (AC 100-240V).
- Ensure all connections are secure before powering on your device.

Image: The power adapter correctly connected to a wall outlet and a device, ready for use.
6. Operation
Once connected, the adapter will supply power to your device. Operate your device according to its own instruction manual. The adapter is designed for continuous use within its specified voltage and current limits.
7. Compatibility
This adapter is compatible with various devices requiring 24V DC and 2.5A, including but not limited to:
- UComfy 8072 Leg Foot Calf Ankle Massager
- UComfy 8954 Leg Foot Calf Ankle Massager
- UComfy 4A201201 Leg Foot Calf Ankle Massager
- Emson Innov IVP2400-2500 Massager
- Other 24V DC 2.5A devices with a compatible 2-pin connector.

Image: The adapter's wide range of applications, compatible with various 24V DC devices such as massagers, routers, and other electronics.
8. Maintenance and Care
To ensure the longevity of your adapter:
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Store the adapter in a cool, dry place when not in use.
- Avoid wrapping the cables too tightly, which can cause damage over time.
9. Troubleshooting
If you experience issues with your adapter, try the following:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that your device is compatible with 24V DC and 2.5A.
- Adapter Overheating:
- Unplug the adapter immediately.
- Ensure the adapter is not covered or placed in an enclosed space that restricts airflow.
- Confirm that the connected device does not exceed the adapter's current rating (2.5A).
10. Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims or technical support, please contact the retailer or manufacturer directly. Keep your purchase receipt as proof of purchase.