1. Introduction
This manual provides instructions for the Wonlyus VGA to HDMI Adapter Cable. This device allows you to connect a computer or laptop with a VGA output to an HDMI display, such as a monitor, HDTV, or projector, while also transmitting audio. It is a one-way converter, designed to convert signals from VGA to HDMI only.
2. Safety Information
- Ensure all connections are secure before powering on devices.
- Do not expose the adapter to moisture or extreme temperatures.
- Avoid bending the cable excessively to prevent internal damage.
- Use only the specified 5V USB power source for the adapter.
- Keep out of reach of children.
3. Package Contents
- 1 x Wonlyus VGA to HDMI Adapter Cable (4ft)
4. Product Overview
The Wonlyus VGA to HDMI Adapter Cable integrates VGA video input, 3.5mm audio input, and a USB power input into a single unit that outputs to an HDMI connector. This design facilitates a direct connection from older VGA-equipped devices to modern HDMI displays.

Figure 1: Wonlyus VGA to HDMI Adapter Cable. This image shows the complete adapter cable with its VGA input, HDMI output, 3.5mm audio jack, and USB power connector.

Figure 2: Detailed view of the adapter's ports. This image highlights the VGA input port, HDMI output port, 3.5mm audio input port, and 5V USB power supply port.
5. Setup Instructions
Follow these steps to connect your VGA source device to an HDMI display:
- Connect VGA Input: Plug the VGA connector of the adapter cable into the VGA output port of your PC, laptop, or other source device.

Figure 3: Connecting the VGA and USB power cables to a laptop. This image illustrates the VGA connector and the USB power cable being plugged into a laptop's respective ports.
- Connect Audio Input: Plug the 3.5mm audio jack into the audio output port (headphone jack) of your source device.
- Connect USB Power: Connect the USB power cable to a 5V USB power source. This can be a USB port on your computer, a USB wall charger, or a USB power bank. This step is essential for the adapter to function correctly.
- Connect HDMI Output: Plug the HDMI connector of the adapter cable into an available HDMI input port on your monitor, HDTV, or projector.

Figure 4: Plugging the HDMI end of the cable into a display. This image shows the HDMI connector being inserted into the back of a monitor, with examples of a projector, monitor, and HDTV as potential display devices.
- Select Input on Display: On your HDMI display, select the corresponding HDMI input source (e.g., HDMI 1, HDMI 2) using the display's remote control or on-screen menu.

Figure 5: Connection diagram for VGA to HDMI. This diagram illustrates the flow of connection from a desk computer, laptop, or HD TV-Box (VGA source) to an HD TV, monitor, or projector (HDMI display, emphasizing the one-way conversion from VGA to HDMI.
6. Operating Instructions
Once all connections are made and the display input is selected, your VGA source device's video and audio should appear on the HDMI display.
- Resolution: The adapter supports VGA input resolutions up to 1920x1080 and HDMI output resolutions up to 1920x1080/60Hz. Ensure your source device's resolution settings are compatible with your display.
- Audio: Audio is transmitted via the 3.5mm auxiliary cable. Adjust the volume on both your source device and the HDMI display as needed.
- Display Modes: Your computer's display settings (e.g., Duplicate, Extend, Second Screen Only) can be configured through your operating system's display preferences.
7. Maintenance
To ensure the longevity and optimal performance of your Wonlyus VGA to HDMI Adapter Cable:
- Keep the cable and adapter clean by wiping with a soft, dry cloth.
- Store the cable in a cool, dry place away from direct sunlight.
- Avoid pulling on the cables when disconnecting; always grasp the connector housing.
8. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| No video signal on HDMI display. |
|
| No audio on HDMI display. |
|
| Picture is blurry or distorted. |
|
| Adapter feels warm during use. | It is normal for the adapter to generate some heat during operation, especially during extended use. If it becomes excessively hot or you notice any unusual smells, disconnect it immediately and contact support. |
9. Specifications
| Model Number | 687345925436 |
| Input | VGA (D-Sub, HD 15 pin), 3.5mm Audio Jack, 5V USB Power |
| Output | HDMI |
| Max VGA Input Resolution | 1920x1080 |
| Max HDMI Output Resolution | 1920x1080/60Hz (24-bit) |
| Cable Length | 4 Feet (approximately 1.2 meters) |
| Color | Black |
| Product Dimensions | 6 x 6 x 0.5 inches (approximate adapter box dimensions) |
| Item Weight | 4.2 ounces |
| Manufacturer | Wonlyus |

Figure 6: Dimensions of the VGA to HDMI Adapter Cable. This image provides measurements for the various cable lengths and the central adapter unit in both centimeters and inches.
10. Warranty and Support
Wonlyus provides customer support for this product. For any issues or inquiries, please refer to the contact information provided with your purchase or visit the official Wonlyus website. Please retain your proof of purchase for warranty claims.