Portronics Conch Theta C
Portronics Conch Theta C Type C Wired Earphones User Manual
Model: Conch Theta C (POR-2749)
1. Introduction
Thank you for choosing the Portronics Conch Theta C Type C Wired Earphones. These earphones are designed to provide a powerful and clear audio experience with convenient features for daily use. This manual will guide you through the setup, operation, and maintenance of your new earphones.

Figure 1: Portronics Conch Theta C Type C Wired Earphones (White)
2. What's in the Box
- 1N Portronics Conch Theta C Type C Wired Earphone
3. Setup
3.1 Connecting Your Earphones
The Portronics Conch Theta C earphones feature a Type C audio jack for effortless compatibility. Simply plug the Type C connector into the Type C port of your compatible device (smartphone, tablet, laptop, etc.). The earphones are plug-and-play, requiring no additional drivers or software for basic audio functionality.

Figure 2: Type C Connector for universal compatibility.
3.2 Wearing the Earphones
Insert the earbuds gently into your ears. The unique earbud design is crafted for comfort and a secure fit, allowing for extended listening periods without discomfort.

Figure 3: Ergonomic earbud design for comfortable wear.
4. Operating Instructions
4.1 In-line Controls
The earphones are equipped with convenient in-line controls and a built-in HD microphone, allowing you to manage your audio and calls without needing to access your device.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
- Play/Pause: Press the central button once.
- Next Track: Press the central button twice.
- Answer Call: Press the central button once during an incoming call.
- End Call: Press the central button once during an active call.
- Reject Call: Long press the central button during an incoming call.

Figure 4: Functions of the in-line remote and HD microphone.
4.2 In-line HD Microphone
The integrated HD microphone is positioned closer to your mouth for superior clarity during calls and voice commands.

Figure 5: In-line HD microphone for clear communication.
5. Key Features
5.1 Enhanced Audio Experience
Immerse yourself in music with the 14.2mm speaker drivers, delivering rich, crystal-clear audio.

Figure 6: Detailed view of the 14.2mm dynamic driver components.
5.2 Wide Compatibility
Connect effortlessly to various devices including smartphones, tablets, laptops, and other Type C compatible devices.

Figure 7: Wide compatibility with various Type C devices.
5.3 TPE Anti-tangle Wire
The 1.2m TPE anti-tangle wire is designed to prevent frustrating knots and tangles, ensuring hassle-free listening.

Figure 8: TPE material cable designed to resist tangles.
6. Troubleshooting
6.1 Connectivity Issues
Most mobile devices do not require additional settings for Type-C wired earphones. However, if you experience issues such as audio not playing when the earphones are connected, please try one of the following troubleshooting steps:
- Option 1: Open Settings on your phone > Go to Connections/Settings (may vary by device) > Find 'OTG' or 'OTG Connection' > Toggle it to the ON position.
- Option 2: Enable Developer Options > Disable the option 'Disable USB Audio routing' > Insert the wired earphone > Enjoy music.
- Option 3: Enable Developer Options > Enable OTG connection > Insert the wired earphone > Enjoy music.
Note: If the earphone is not used for more than 10 minutes, the OTG connection may get disabled automatically. You will need to enable it manually again.
If you continue to experience issues after completing the above steps, please contact customer support for additional assistance.

Figure 9: Device support and contact information for troubleshooting.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Portronics |
| Model Name | Conch Theta C |
| Model Number | POR-2749 |
| Colour | White |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Impedance | 45 Ohms |
| Audio Driver Type | Dynamic Driver |
| Cable Features | Tangle Free |
| Headphone Jack | Type C |
| Network Connectivity | Wired |
| Control Method | Button |
| Item Weight | 100 Grams |
| Country of Origin | China |
8. Maintenance
- Keep the earphones clean and dry.
- Avoid exposing them to extreme temperatures or humidity.
- Do not pull the cable forcefully when disconnecting from your device.
- Store the earphones properly to prevent tangling and damage to the cable.
9. Warranty & Support
9.1 Warranty Information
The Portronics Conch Theta C earphones come with a 6-month warranty from the date of purchase. Please retain your purchase receipt for warranty claims.
9.2 Customer Support
For any product-related queries, technical assistance, or warranty claims, please contact Portronics Customer Support:
- Email: help@portronics.com
- Phone: +91 9555-245-245
10. Product Videos
10.1 Product Overview
This video provides a quick overview of the Portronics Conch Theta C earphones, highlighting their main features and design.
10.2 Conch Theta A vs. Conch Theta C Comparison
Watch this video for a detailed comparison between the Conch Theta A and Conch Theta C models, emphasizing the benefits of wired earphones.
10.3 Product Review and Features
A comprehensive review of the earphones, covering design, comfort, sound quality, and in-line controls.