1. Introduction
Thank you for choosing JVC Gumy Plus Inner-Ear Headphones, Model HAFX7N-PARENT. These wired earbuds are designed to deliver powerful sound with a comfortable and secure fit, making them suitable for various audio needs. This manual provides essential information for proper setup, operation, and care of your headphones.

Image 1.1: JVC Gumy Earbuds (Model HAFX7N-PARENT) with inline remote.
2. Package Contents
Please verify that all items listed below are included in your package:
- JVC Gumy Plus Inner-Ear Headphones (integrated with 3.3 ft cord and 1-button remote/microphone)
- User Manual (this document)
- Silicone Earpieces (Small, Medium, Large sizes)
3. Setup
3.1 Selecting and Attaching Earpieces
The JVC Gumy Earbuds come with three sizes of silicone earpieces (S, M, L) to ensure a comfortable and secure fit.
- Experiment with Sizes: Try each earpiece size to determine which provides the best seal and comfort for your ears. A proper seal is crucial for optimal sound quality and bass response.
- Attach Earpieces: Gently push the chosen silicone earpiece onto the nozzle of each earbud until it is securely seated. Ensure it is not loose and will not detach during use.
3.2 Connecting to Your Device
These headphones connect via a standard 3.5mm audio jack.
- Locate Audio Jack: Identify the 3.5mm headphone jack on your audio device (smartphone, tablet, computer, MP3 player, etc.).
- Insert Plug: Insert the 3.5mm slim plug of the JVC Gumy Earbuds firmly into your device's audio jack.
- Verify Connection: Ensure the plug is fully inserted to prevent audio issues or intermittent sound.
4. Operating Instructions
The JVC Gumy Earbuds feature a convenient 1-button inline remote and microphone for controlling audio playback and managing calls on compatible devices (iPod, iPad, iPhone, Android devices).
4.1 Audio Playback Control
- Play/Pause: Press the button once to play or pause the current audio track.
- Next Track: Press the button twice quickly to skip to the next track.
- Previous Track: Press the button three times quickly to go back to the beginning of the current track or to the previous track.
4.2 Call Management
- Answer/End Call: Press the button once to answer an incoming call or to end an active call.
- Reject Call: Press and hold the button for approximately two seconds to reject an incoming call.

Image 4.1: User wearing JVC Gumy Earbuds during activity.

Image 4.2: User enjoying media with JVC Gumy Earbuds.
5. Maintenance
5.1 Cleaning
- Earpieces: Remove the silicone earpieces and wash them gently with mild soap and water. Rinse thoroughly and allow them to dry completely before reattaching.
- Earbuds: Wipe the earbud bodies and cable with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Audio Jack: Keep the 3.5mm audio jack clean and free of dust or debris.
5.2 Storage
When not in use, store your headphones in a clean, dry place, away from extreme temperatures and direct sunlight. Avoid tangling the cable by coiling it loosely.
5.3 Cable Care
To prolong the life of the cable, avoid sharp bends, excessive pulling, or wrapping it too tightly around objects.
6. Troubleshooting
If you encounter issues with your JVC Gumy Earbuds, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or intermittent sound |
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| Poor sound quality (e.g., weak bass, muffled sound) |
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| Microphone not working |
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7. Specifications
Detailed technical specifications for the JVC Gumy Plus Inner-Ear Headphones:
| Model Name | JVC Gumy Plus Inner-ear Headphones |
| Item Model Number | HAFX7N-PARENT |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm Jack |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 9 Millimeters |
| Cable Length | 3.3 ft (1.0 m) |
| Control Type | Media Control (1-button remote) |
| Special Feature | Microphone Included |
| Ear Placement | In Ear |
| Noise Control | Sound Isolation |
| Material | Rubber (for earpieces) |
| Item Weight | 1.13 ounces |
| Compatible Devices | iPod, iPad, iPhone, Android devices |
8. Safety Information
Please read and follow these safety guidelines to ensure safe and proper use of your JVC Gumy Earbuds:
- Hearing Protection: Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Environmental Awareness: Do not use headphones in situations where the inability to hear ambient sounds could pose a danger (e.g., driving, cycling, walking in traffic).
- Water and Moisture: These headphones are not water-resistant. Avoid exposure to water, rain, or excessive moisture.
- Children: Keep out of reach of small children due to small parts that could be a choking hazard.
- Cleaning: Only clean with a dry, soft cloth. Do not use liquid cleaners or aerosols.
9. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official JVC website. Keep your purchase receipt as proof of purchase.
Visit the JVC Store on Amazon for more products and information.





