1. Introduction
This instruction manual provides essential information for the proper use and care of your Yustda 3.5mm Audio AUX Cable. This cable is designed to facilitate a direct audio connection between devices equipped with a 3.5mm audio output and compatible audio input ports, such as those found on the Anker A7908 Classic Bluetooth Speaker.
Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Product Overview

Figure 1: Yustda 3.5mm Audio AUX Cable. This image displays the coiled black audio cable with two 3.5mm male connectors on each end, ready for connection.
The Yustda 3.5mm Audio AUX Cable features male-to-male 3.5mm connectors, allowing for a direct, wired audio signal transmission. It is constructed with quality materials to ensure reliable performance and minimize signal loss.
3. Setup Instructions
Connecting your Yustda 3.5mm Audio AUX Cable is a straightforward process:
- Identify Ports: Locate the 3.5mm audio output jack on your source device (e.g., smartphone, tablet, laptop) and the 3.5mm AUX input jack on your target audio device (e.g., Anker A7908 Classic Bluetooth Speaker). These ports are typically labeled "AUX," "Audio Out," or indicated by a headphone icon.
- Connect First End: Insert one end of the Yustda 3.5mm Audio AUX Cable firmly into the 3.5mm audio output jack of your source device.
- Connect Second End: Insert the other end of the Yustda 3.5mm Audio AUX Cable firmly into the 3.5mm AUX input jack of your target audio device.
- Power On: Ensure both your source device and target audio device are powered on.
Once connected, your devices are ready for audio playback.
4. Operating Instructions
After successfully connecting the cable:
- Select Input: On your target audio device (e.g., Anker A7908 Speaker), select the AUX input mode. Refer to your speaker's manual for specific instructions on how to switch input modes.
- Play Audio: Begin playing audio from your source device.
- Adjust Volume: Adjust the volume on both your source device and the target audio device to your desired listening level. It is often recommended to set the source device's volume to a high level (e.g., 75-90%) and control the main volume from the target audio device.
The cable provides a direct, stable audio connection, bypassing wireless interference and ensuring consistent sound quality.
5. Care and Maintenance
To ensure the longevity and optimal performance of your Yustda 3.5mm Audio AUX Cable, follow these care guidelines:
- Storage: When not in use, coil the cable loosely. Avoid tight coiling or sharp bends, which can damage the internal wires.
- Cleaning: Wipe the cable with a soft, dry cloth to remove dust or dirt. Do not use harsh chemicals or abrasive cleaners.
- Handling: Always grasp the connector housing when plugging or unplugging the cable. Avoid pulling directly on the cable itself, as this can strain the connections.
- Environment: Keep the cable away from extreme temperatures, direct sunlight, and moisture.
6. Troubleshooting
If you encounter issues with your audio connection, consider the following troubleshooting steps:
- No Audio:
- Ensure both ends of the cable are fully inserted into their respective ports.
- Verify that both the source device and the target audio device are powered on.
- Check that the correct input mode (AUX) is selected on your target audio device.
- Increase the volume on both the source device and the target audio device.
- Test the cable with another source device or target audio device to rule out a faulty cable or port.
- Poor Audio Quality (Static, Distortion):
- Ensure connections are secure and free from debris.
- Try adjusting the volume levels on both devices. Overdriving the input can cause distortion.
- Ensure the cable is not running near strong electromagnetic interference sources.
- Test with another cable to determine if the issue is with the cable or the devices.
7. Specifications
| Brand | YUSTDA |
| Connector Type | Auxiliary (3.5mm Male-to-Male) |
| Cable Type | AUX |
| Compatible Devices | Speakers (e.g., Anker A7908 Classic Bluetooth Speaker), Smartphones, Tablets, Laptops, and other devices with 3.5mm audio jacks |
| Color | Black |
| Cable Length | 3 feet (approximately 0.91 meters) |
| Indoor/Outdoor Usage | Indoor, Outdoor |
8. Warranty and Support
For any questions, concerns, or support regarding your Yustda 3.5mm Audio AUX Cable, please contact our customer service team.
Customer Support Email: epcustomerservice@yahoo.com
Please provide your purchase details when contacting support to assist us in serving you better.





