Introduction
The EarFun K1 Kids Headphones are designed to provide a safe and enjoyable audio experience for children. Featuring volume limiting technology, a built-in microphone, and a durable, foldable design, these headphones are ideal for learning, entertainment, and travel. This manual provides essential information for setup, operation, maintenance, and troubleshooting.

Image: EarFun K1 Kids Headphones in black and red, showcasing the main product design.
Safety Information
To ensure safe use of the EarFun K1 Kids Headphones, please observe the following guidelines:
- Volume Limit: These headphones feature an 85dB/94dB volume limit to protect children's hearing. Always use the appropriate volume setting for the environment.
- Supervision: Adult supervision is recommended, especially for younger children, to ensure proper use and prevent entanglement with the cable.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use liquid cleaners or immerse the headphones in water.
- Disposal: Dispose of the product responsibly according to local regulations. Do not dispose of with household waste.

Image: Various safety and quality certifications for EarFun K1 Kids Headphones, including CPC, FCC, CE, UKCA, RoHS, IC, and REACH, demonstrating compliance with international standards.
Package Contents
Verify that all items are present in your package:
- EarFun K1 Kids Headphones
- User Manual
Product Overview
The EarFun K1 headphones are designed for comfort and functionality, featuring a durable build and intuitive controls.

Image: A child wearing the EarFun K1 headphones, illustrating the adjustable and breathable earcups and the stretchable headband for a comfortable fit.
Key Components:
- Adjustable Headband: Allows for a comfortable fit for various head sizes.
- Soft Earcups: Designed for extended wear comfort and sound isolation.
- In-line Microphone with Controls: For clear communication and easy media management.
- 3.5mm Audio Jack: Standard connector for wide compatibility.
- Shareport: An additional 3.5mm jack on the earcup for audio sharing.
Setup
Connecting the Headphones:
- Locate the 3.5mm audio jack on your device (e.g., tablet, laptop, smartphone, Kindle Fire).
- Insert the 3.5mm plug of the EarFun K1 headphones firmly into the device's audio jack.
- Adjust the headband to fit comfortably on the user's head.

Image: Close-up of the adjustable headband mechanism, showing how it can be extended or retracted to fit different head sizes.
Operating Instructions
Volume Limiting Feature:
The EarFun K1 headphones offer two volume limit modes to protect hearing:
- 85dB (Study Mode): Ideal for quiet environments like home or classroom, suitable for extended listening.
- 94dB (Travel Mode): Provides a slightly higher volume for noisier environments such as cars or airplanes, while still maintaining a safe listening level.
To switch between modes, locate the switch on the in-line control unit and slide it to the desired setting (85dB or 94dB).

Image: Illustration of the 85dB (Study Mode) and 94dB (Travel Mode) volume limits, showing children using the headphones in different environments.

Image: A detailed diagram explaining the purpose and benefits of the 85dB and 94dB volume limits, emphasizing hearing protection for children.
Using the In-line Microphone and Controls:
The in-line control unit allows for easy management of audio and calls:
- Play/Pause: Short press the multi-function button.
- Next Track: Double press the multi-function button.
- Previous Track: Triple press the multi-function button.
- Answer/End Call: Short press the multi-function button during an incoming call.
- Reject Call: Long press the multi-function button for 3 seconds during an incoming call.

Image: A child engaged in an online activity with the headphones, illustrating the in-line microphone and the various control functions (short press, double press, triple press, long press).

Image: A close-up view of the in-line microphone and control unit, highlighting its position on the headphone cable.
Audio Sharing Function:
The EarFun K1 headphones feature a unique Shareport, allowing another pair of headphones to connect and share audio from the same device without needing a splitter.
- Ensure the main EarFun K1 headphones are connected to your audio source.
- Plug a second pair of headphones into the 3.5mm Shareport located on one of the EarFun K1 earcups.
- Both users will now hear audio from the connected device.

Image: Two children sharing audio from a tablet, demonstrating the 3.5mm Shareport feature on the EarFun K1 headphones.

Image: Two children sharing audio from a device, illustrating the convenience of the audio sharing feature.
Maintenance and Care
Proper care will extend the lifespan of your EarFun K1 headphones:
- Cleaning: Wipe the headphones with a soft, dry, lint-free cloth. Do not use abrasive cleaners, alcohol, or solvents.
- Storage: When not in use, fold the headphones for compact storage. Store them in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: The nylon braided cord is designed to be tangle-free. Avoid excessive pulling or sharp bending of the cable.

Image: The EarFun K1 headphones in their folded state, highlighting their portability, durable cable, and lightweight design for easy storage and transport.

Image: The EarFun K1 headphones being folded and easily placed into a backpack, demonstrating their compact and portable design.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or low volume |
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| Microphone not working |
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| Audio sharing not working |
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Specifications
| Feature | Detail |
|---|---|
| Model Name | EarFun K1 Wired Kids Headphones |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm Jack |
| Volume Limit | 85dB / 94dB Switchable |
| Driver Size | 40mm Dynamic Driver |
| Frequency Response | 20 KHz |
| Sensitivity | 100 dB |
| Impedance | 32 Ohm |
| Noise Control | Sound Isolation |
| Microphone | HD In-line Microphone |
| Material | Leather; Plastic |
| Item Weight | 198 Grams (7 ounces) |
| Product Dimensions | 5.83 x 5.12 x 3.03 inches |
| Color | Black Red |
| Compatibility | Devices with 3.5mm audio jack (Tablets, Laptops, Smartphones, Kindle Fire, Switch, Chromebook, PC) |

Image: An exploded view diagram illustrating the internal components of the 40mm dynamic driver, responsible for the headphone's sound quality.

Image: A detailed close-up of the 40mm driver components, showing the intricate design that delivers balanced stereo sound.
Warranty and Support
EarFun provides an 18-month hassle-free protection for the EarFun K1 Kids Headphones. For warranty claims or technical support, please contact EarFun customer service through their official website or the platform where the product was purchased.
For more information, visit the official EarFun store: EarFun Store





