1. Introduction
This user manual provides detailed instructions for the proper use, setup, maintenance, and troubleshooting of your Qtqgoitem 3.5mm Audio Cable Stereo Sound Earphone Headphone. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Product Overview
The Qtqgoitem 3.5mm Audio Cable Stereo Sound Earphone Headphone is designed for clear audio transmission and comfortable wear. It features a 3.5mm plug for wide compatibility with various devices, an in-line microphone for hands-free calling, and controls for music playback.

Figure 2.1: Overview of the Qtqgoitem 3.5mm Earphones, showing the earbuds, in-line control module, and 3.5mm audio jack. The earbuds feature a steel blue finish with red silicone tips.

Figure 2.2: The Qtqgoitem 3.5mm Earphones neatly folded and stored within their transparent, compact carrying case, highlighting their portability.
Key Features:
- 3.5mm audio jack for universal compatibility.
- In-line microphone for hands-free calling.
- Integrated controls for music playback (stop, next song, previous song).
- Comfortable design for extended wear.
- Durable cable construction to resist tangles and breaks.
- Lightweight and portable design.
3. Setup
Setting up your Qtqgoitem earphones is straightforward. Follow these steps to begin using your device:
- Unpack the Earphones: Carefully remove the earphones from their packaging.
- Identify the Audio Jack: Locate the 3.5mm audio jack at the end of the cable.
- Connect to Device: Insert the 3.5mm audio jack firmly into the headphone port of your smartphone, computer, MP3 player, or any other compatible device.
- Adjust Earbuds: Place the earbuds comfortably into your ears. Ensure a snug fit for optimal sound quality and comfort.
4. Operating Instructions
The in-line control module allows for easy management of calls and music playback.
Music Playback Control:
- Play/Pause: Press the button once to play or pause the current track.
- Next Song: Double-click the button to skip to the next song.
- Previous Song: Triple-click the button to go back to the previous song.
Call Management:
- Answer/End Call: Press the button once to answer an incoming call or end an ongoing call.
- Reject Call: Press and hold the button for a few seconds to reject an incoming call.
Note: Functionality may vary slightly depending on your device's operating system and media player application.
5. Maintenance
Proper maintenance will extend the life of your earphones and ensure continued high-quality sound.
- Cleaning: Gently wipe the earbuds and cable with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their original case or a protective pouch to prevent tangling and damage. Avoid wrapping the cable too tightly.
- Avoid Moisture: Keep the earphones away from water and excessive moisture. They are not waterproof.
- Handle with Care: Avoid pulling the cable forcefully when disconnecting from a device. Always grasp the 3.5mm plug.
6. Troubleshooting
If you encounter issues with your earphones, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or distorted sound. |
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| Microphone not working. |
|
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| Control buttons not responding. |
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If the problem persists after trying these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Product Name | Earphone |
| Model Number | 4c7bc62ab24dc5acedc896c87030c7 |
| Plug Type | 3.5mm Male |
| Cable Length | 1.19M / 3.9Ft |
| Net Weight | 30g |
| Material | Plastic, Metal (Composite) |
| Color | Steel Blue (also available in Black) |
| Compatibility | Devices with a 3.5mm port (e.g., Android smartphones, computers, MP3 players) |
8. Warranty and Support
Warranty Information:
This product is covered by a standard return policy, allowing for refund or replacement within 30 days of purchase. Please retain your proof of purchase for any warranty claims.
Customer Support:
For further assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact the seller directly through the platform where the product was purchased. The seller for this product is qutuqi-us.
Please provide your product model number (4c7bc62ab24dc5acedc896c87030c7) and ASIN (B0BHSYWFBQ) when contacting support for faster service.