1. Introduction
Thank you for choosing the ELECDER i37 Kids On-Ear Headphones. These headphones are designed for children and teens, offering a comfortable and adjustable listening experience. They feature a foldable design for portability and connect via a standard 3.5mm audio jack, compatible with a wide range of devices.

Image: Child wearing ELECDER i37 headphones.
2. Safety Information
- Hearing Protection: To prevent hearing damage, avoid listening at high volume levels for extended periods.
- Environmental Awareness: Do not use headphones in situations where the inability to hear ambient sounds could be dangerous, such as while driving, cycling, or walking in traffic.
- Cord Safety: Keep the headphone cable away from sharp objects or moving parts to prevent damage. Ensure the cable does not pose a tripping hazard.
- No Volume Control: Please note that these headphones do not feature an integrated volume control. Adjust the volume directly on the connected audio device.
- Choking Hazard: This product contains small parts and a cable which could pose a choking or strangulation hazard for very young children. Adult supervision is recommended.
3. Package Contents
Verify that all items are present in your package:
- ELECDER i37 Kids On-Ear Headphones
- User Manual (this document)
4. Product Overview
The ELECDER i37 headphones are designed for ease of use and comfort. Key features include:
- Adjustable Headband: Allows for a secure and comfortable fit for various head sizes.
- Soft Ear Cushions: Designed for comfort during extended listening sessions.
- Foldable Design: Enables compact storage and easy portability.
- Tangle-Free Cable: The durable cloth-covered cable resists tangling.
- 3.5mm Audio Jack: Standard connector for broad compatibility.

Ultra Soft Ear Cushions

Adjustable Slider

Tangle-Free Cord

Key Features
5. Setup
- Unfold the Headphones: Gently unfold the earcups from their collapsed position until the headband forms a complete arc.
- Adjust the Headband: Extend or retract the adjustable sliders on each side of the headband to fit your head comfortably. The earcups should rest fully over your ears.
- Connect to Audio Device: Insert the 3.5mm audio jack firmly into the headphone port of your smartphone, computer, laptop, MP3/4 player, Kindle, or tablet.
Note on Device Compatibility: For devices like iPhone 7 and newer, or iPad Pro 11 and newer, a separate Lightning to 3.5mm jack adapter (not included) is required.

Image: 3.5mm jack compatibility with various devices.
6. Operating Instructions
Once connected, you can begin using your ELECDER i37 headphones:
- Play Audio: Start playing audio from your connected device.
- Adjust Volume: Control the listening volume directly from your audio source device. These headphones do not have built-in volume controls.
- Comfortable Listening: Ensure the earcups are positioned comfortably over your ears for optimal sound and noise isolation.
Video: Demonstration of ELECDER i37 headphones in use, highlighting their features and comfort.

Enjoying audio

Connected to a device

Ideal for travel
7. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the headphones. Do not use liquid cleaners or solvents.
- Storage: When not in use, fold the headphones to their compact size and store them in a clean, dry place away from extreme temperatures.
- Cable Care: Avoid sharply bending or pulling the cable to prevent internal damage.

Image: Foldable design for easy storage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | 1. Headphone jack not fully inserted. 2. Device volume is too low or muted. 3. Incorrect audio output selected on device. | 1. Ensure the 3.5mm jack is fully inserted into the device. 2. Increase the volume on your audio device and check for mute settings. 3. Verify that the correct audio output (e.g., "Headphones") is selected in your device's sound settings. |
| Distorted sound | 1. Volume too high on device. 2. Audio source quality is poor. 3. Damaged cable or connector. | 1. Lower the volume on your audio device. 2. Try a different audio source or file. 3. Inspect the cable and jack for visible damage. If damaged, contact support. |
| Headphones feel uncomfortable | Improper headband adjustment. | Adjust the headband sliders to find a comfortable and secure fit. Ensure earcups are centered over the ears. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | i37 |
| Connectivity Technology | Wired (3.5 mm Jack) |
| Noise Control | Sound Isolation |
| Audio Driver Size | 40 Millimeters |
| Impedance | 32 Ohms |
| Cable Feature | Tangle Free (Cloth) |
| Special Features | Foldable, Lightweight, Adjustable |
| Material | Plastic, Cloth |
| Item Weight | 5.6 Ounces (158.7 grams) |
| Product Dimensions | 8.9 x 2.8 x 6.1 inches |
| Age Range (Description) | Kid Teen |
10. Warranty and Support
ELECDER provides a 1-Year Hassle-Free Protection for your i37 headphones. This warranty covers manufacturing defects and ensures customer satisfaction.
For any questions, concerns, or support needs regarding your ELECDER i37 headphones, please contact us:
- Via Amazon: Use the Amazon messaging system to reach our customer service team.
- Contact Information: Refer to the contact details provided on the product packaging or included instruction leaflet for direct support options.
Our customer service team is committed to providing a quick response to assist you.

