1. Introduction
The JSAUX 2-in-1 USB C to 3.5mm Headphone and Charger Adapter is designed to expand the functionality of your USB C device. It allows simultaneous audio output through a 3.5mm jack and power delivery charging via a USB C port. This adapter integrates a high-resolution Digital-to-Analog Converter (DAC) for superior audio quality and supports fast charging protocols.
Package Contents:
- 1 x JSAUX USB C to 3.5mm Headphone and Charger Adapter
- 1 x User Manual (this document)
2. Key Features
- 2-in-1 Functionality: Splits a single USB C port into a 3.5mm audio jack and a USB C PD charging port, enabling simultaneous audio listening and device charging.
- Hi-Res DAC Chip: Equipped with an advanced DAC chip for high-fidelity sound quality, supporting up to 32-bit/384kHz audio output.
- PD 60W Fast Charging: Supports Power Delivery (PD3.0) and Quick Charge (QC3.0) protocols, delivering up to 60W for rapid device charging.
- Durable Construction: Features an aluminum alloy exterior and a bend-resistant braided cord for enhanced durability and longevity. The transparent case design showcases the internal chip.
- Wide Compatibility: Compatible with a broad range of USB C devices, including various iPhone, Samsung Galaxy, Pixel, iPad, and MacBook models.
3. Setup Instructions
- Connect to Device: Plug the USB C connector of the JSAUX adapter into the USB C port of your smartphone, tablet, or laptop.
- Connect Headphones: Insert your 3.5mm headphones or auxiliary cable into the 3.5mm audio jack on the adapter.
- Connect Charger (Optional): For simultaneous charging, connect a USB C charging cable from a power adapter to the USB C PD port on the JSAUX adapter. Ensure your power adapter supports PD or QC fast charging for optimal performance.
4. Operating Instructions
Audio Playback:
- Once connected, your device should automatically recognize the adapter as an audio output device.
- Begin playing audio from your device. Sound will be routed through the connected 3.5mm headphones or speakers.
- Adjust volume directly on your connected device or through inline controls on your headphones, if available.
Charging Functionality:
- When a compatible USB C charger is connected to the adapter's PD port, your device will begin charging.
- The adapter supports up to 60W fast charging, allowing for efficient power delivery even while using audio.
- Note: Fast charging performance may vary depending on your device, charger, and cable. Some devices may not support QC protocols through the adapter.
5. Compatibility
The JSAUX 2-in-1 USB C Audio & Charging Adapter is widely compatible with most USB C devices that support audio output via their USB C port. This includes, but is not limited to:
- iPhones: iPhone 15 series (Pro Max, Pro, Plus, Air)
- Samsung Galaxy: S24, S23, S22 series (Ultra, Plus, standard models)
- Google Pixel: Pixel 7, 6, XL series
- iPads: iPad Pro, iPad Air, iPad Mini (USB C models)
- MacBooks: MacBook Air, MacBook Pro (USB C models)
- OnePlus: Nord 10, 9, T Pro series
- Other USB C devices supporting audio output and PD/QC charging.
6. Specifications
| Feature | Detail |
|---|---|
| Product Name | USB C to 3.5mm Headphone and Charger Adapter |
| Model | 2-in-1 USB C Audio & Charging Adapter |
| Brand | JSAUX |
| Connector Type | USB Type C (Input), 3.5mm Audio Jack (Output), USB Type C PD (Output) |
| Audio Quality | Hi-Res DAC, up to 32-bit/384kHz |
| Charging Power | PD 60W Max (supports PD3.0 & QC3.0) |
| Number of Ports | 2 (1x 3.5mm, 1x USB C PD) |
| Color | Black |
| Material | Aluminum Alloy, Braided Cord |
7. Troubleshooting
No Audio Output:
- Ensure the adapter is fully plugged into your device's USB C port.
- Verify your 3.5mm headphones/cable are securely connected to the adapter.
- Check your device's audio settings to ensure the JSAUX adapter is selected as the output device.
- Confirm your device supports audio output via its USB C port.
- Test with different headphones or another audio source to isolate the issue.
No Charging:
- Ensure the USB C charging cable and power adapter are functioning correctly.
- Verify the charging cable is securely connected to the adapter's PD port and the power source.
- Confirm your power adapter supports PD or QC fast charging.
- Some devices may require a specific charging sequence (e.g., connect adapter to device first, then charger).
Poor Sound Quality:
- Ensure the audio source file is of high quality.
- Check for any interference from other electronic devices.
- Verify that your headphones are in good working condition.
8. Care and Maintenance
- Keep the adapter clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures, direct sunlight, or high humidity.
- Do not bend or twist the cable excessively to prevent internal damage.
- Store the adapter in a safe place when not in use to prevent physical damage.
9. Warranty Information
JSAUX products are covered by a limited warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, accident, modification, or unauthorized repair. Please retain your proof of purchase for warranty claims.
10. Customer Support
For further assistance, technical support, or warranty inquiries, please visit the official JSAUX website or contact their customer service team. Contact details can typically be found on the product packaging or the JSAUX official website.