1. Introduction
This manual provides essential information for the proper use and care of your JELLICO X12-TYPE C Wired Earphones. Designed for seamless connectivity and clear audio, these earphones offer a comfortable listening experience. Please read this guide thoroughly before using your earphones to ensure optimal performance and longevity.
2. Product Overview
The JELLICO X12-TYPE C earphones are engineered for a superior audio experience with a focus on comfort and durability. Key features include:
- Universal Compatibility: Designed with a USB Type-C connector for broad device compatibility.
- Premium Sound Quality: Delivers clear and rich audio for an enhanced listening experience.
- Comfortable and Ergonomic Design: Ergonomically shaped earbuds provide a secure and comfortable fit for extended use.
- Durable Construction: Built with robust materials for everyday use.
- Built-in Microphone: Enables hands-free calls and voice commands.
- Integrated Remote Control: Allows easy management of calls, volume, and playback.

Image 2.1: Overview of JELLICO X12-TYPE C Wired Earphones, showing the earbuds, in-line remote, and USB-C connector.

Image 2.2: Illustration of the semi-in-ear design, highlighting the 45-degree inclined fit for comfort and reduced burden.

Image 2.3: Close-up view demonstrating the ergonomic design of the earbud, ensuring a comfortable and secure fit without discomfort.

Image 2.4: Exploded view illustrating the precision internal structure and components of the earphone for quality sound reproduction.

Image 2.5: Graphic highlighting the 360-degree surround sound capability, featuring a copper ring composite membrane horn for balanced audio.
3. Setup
3.1 Connecting Your Earphones
The JELLICO X12-TYPE C earphones are designed for simple plug-and-play operation. To connect your earphones:
- Locate the USB Type-C port on your compatible device (smartphone, tablet, laptop, etc.).
- Insert the USB Type-C connector of the earphones firmly into the device's port.
- Your device should automatically recognize the earphones. You may need to select them as the audio output in your device's sound settings.
The reversible Type-C connector ensures a hassle-free and secure connection every time.

Image 3.1: Diagram showing the USB Type-C connector and its compatibility with various devices like tablets, cell phones, and notebooks.
4. Operating Instructions
4.1 Using the In-line Remote Control
Your JELLICO X12-TYPE C earphones feature an integrated in-line remote control for convenient management of audio and calls.

Image 4.1: Close-up of the intelligent wire control remote, showing volume buttons and a central multi-function button.
- Volume Up (+): Press to increase audio volume.
- Volume Down (-): Press to decrease audio volume.
- Multi-function Button (Center):
- Single Press: Play/Pause music; Answer/End calls.
- Double Press: Skip to the next track.
- Triple Press: Go to the previous track.
- Long Press: Activate voice assistant (if supported by your device).
4.2 Using the Microphone
The built-in microphone allows for clear communication during calls. Ensure the microphone is positioned appropriately for optimal voice pickup.
5. Maintenance
5.1 Cleaning and Care
To maintain the performance and appearance of your earphones, follow these guidelines:
- Cleaning: Gently wipe the earbuds and cable with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in a clean, dry place, away from direct sunlight and extreme temperatures. Avoid tangling the cable.
- Moisture: Keep the earphones dry. Do not expose them to water or excessive moisture.
- Handling: Avoid pulling the cable forcefully or bending the connectors at sharp angles.
6. Troubleshooting
If you encounter issues with your JELLICO X12-TYPE C earphones, refer to the following common solutions:
- No Sound:
- Ensure the USB Type-C connector is fully inserted into your device.
- Check your device's volume settings and ensure it is not muted.
- Verify that the earphones are selected as the audio output device in your device's sound settings.
- Test the earphones with another compatible device to rule out a device-specific issue.
- Microphone Not Working:
- Ensure the earphones are securely connected.
- Check your device's privacy settings to ensure microphone access is granted to the application you are using.
- Confirm the microphone is not obstructed.
- Poor Sound Quality:
- Ensure the earbuds are properly seated in your ears for an optimal seal.
- Check for any debris or earwax buildup in the earbud nozzles and clean gently if necessary.
- Test with different audio sources or files to determine if the issue is with the content.
7. Specifications
| Model Name | X12-TYPE C |
| Brand | JELLICO |
| Connectivity Technology | Wired |
| Headphones Jack | USB Type-C |
| Form Factor | In-Ear |
| Material | Plastic |
| Cable Feature | Tangle Free |
| Special Feature | Microphone Included |
| Control Method | Touch (In-line Remote) |
| Item Weight | 50 g |
| Manufacturer | JELLICO HK CO. LTD. |
8. Warranty and Support
8.1 Warranty Information
The JELLICO X12-TYPE C Wired Earphones are covered by a 180-day warranty from the date of purchase. This warranty covers manufacturing defects under normal use conditions.
8.2 Customer Support
For technical assistance, warranty claims, or any other inquiries, please contact JELLICO customer service. Refer to your purchase documentation or the official JELLICO website for contact details.