1. Introduction
Thank you for choosing the Avantree HF026 Wired Over-Ear Headphones. These lightweight and comfortable headphones are designed to provide a clear audio experience with rich bass, suitable for various devices and uses. This manual will guide you through the setup, operation, and maintenance of your new headphones.
The HF026 headphones feature high-definition drivers and a noise-isolating design for an enhanced listening experience. They are equipped with an extra-long 1.5-meter (4.9-foot) cable for freedom of movement and include a built-in microphone with Multi-Function Button (MFB) control for hands-free communication and media management.
2. Package Contents
- Avantree HF026 Wired Over-Ear Headphones (Model: ADHF-026-BLK)
- Cable ties (for organization)
- Carrying case
3. Product Overview
Familiarize yourself with the key features of your Avantree HF026 headphones.
Image: Avantree HF026 headphones highlighting stereo sound, on-ear design, answer calling, soft wire, and comfortable wear features.
- Adjustable Headband: For a comfortable and secure fit for various head sizes.
- Soft Over-Ear Cushions: Designed for extended wear comfort and passive noise isolation.
- Built-in Microphone: Located on the cable for clear voice communication.
- Multi-Function Button (MFB): Integrated into the cable for call and music control.
- 3.5mm Audio Jack: L-shaped connector for universal compatibility with audio devices.
- Foldable Earcups: Earcups rotate flat for easy storage and portability in the included carrying case.
4. Setup and Connection
The Avantree HF026 headphones are designed for simple plug-and-play operation.
- Identify the Audio Port: Locate the 3.5mm audio jack on your device (computer, laptop, tablet, mobile phone, MP3/MP4 player). This port is typically marked with a headphone icon.
- Connect the Headphones: Insert the L-shaped 3.5mm audio jack of the Avantree HF026 headphones firmly into your device's audio port.
- Adjust for Comfort: Place the headphones over your ears. Adjust the headband by sliding the earcups up or down until they fit comfortably and securely on your head. The soft over-ear cushions should fully cover your ears for optimal sound and comfort.
Image: Avantree HF026 headphones with its 1.5m cable connected to a laptop, demonstrating the swivel earcups design.
Your headphones are now ready for use. Ensure your device's volume is set to a comfortable level before playing audio.
5. Operating Instructions
The Avantree HF026 headphones offer straightforward controls for audio playback and calls.
5.1 Audio Playback
- Once connected, audio from your device will automatically play through the headphones.
- Adjust the volume using your device's volume controls.
- Use the Multi-Function Button (MFB) on the cable to control music:
- Single Press: Play/Pause music.
- Double Press: Skip to the next track.
- Triple Press: Go to the previous track.
5.2 Call Management
The built-in microphone allows for hands-free calling.
Image: A person wearing Avantree HF026 headphones and using the built-in microphone for a call while working on a laptop.
- When a call comes in, the audio will switch from music to the call.
- Use the Multi-Function Button (MFB) on the cable to manage calls:
- Single Press: Answer an incoming call or end an active call.
- Press and Hold: Reject an incoming call.
6. Maintenance and Care
Proper care will extend the lifespan of your Avantree HF026 headphones.
- Cleaning: Use a soft, dry cloth to clean the earcups and headband. Do not use liquid cleaners or solvents.
- Storage: When not in use, fold the earcups flat and store the headphones in the provided carrying case to protect them from dust and damage. Use the included cable ties to keep the cable tidy.
- Avoid Moisture: These headphones are not water-resistant. Keep them away from water, rain, and excessive humidity.
- Handle with Care: Avoid pulling on the cable or subjecting the headphones to strong impacts.
Image: Close-up of Avantree HF026 headphones showing the soft ear cushions and the stretchable headband for comfort.
7. Troubleshooting
If you encounter issues with your headphones, try the following solutions:
- No Sound:
- Ensure the 3.5mm audio jack is fully inserted into your device's port.
- Check your device's volume settings and ensure it is not muted.
- Test the headphones with another device to rule out a device-specific issue.
- Ensure the audio output on your device is set to the connected headphones.
- Microphone Not Working:
- Ensure the 3.5mm audio jack is fully inserted. Some devices require a TRRS (4-pole) jack for microphone functionality, which the HF026 provides.
- Check your device's microphone input settings and ensure the correct microphone is selected.
- Test the microphone with another application or device.
- Poor Sound Quality:
- Ensure the audio jack is clean and free of debris.
- Try adjusting the audio settings on your device.
- Test with different audio sources or files.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | ADHF-026-BLK |
| Brand | Avantree |
| Connectivity Technology | Wired |
| Headphone Form Factor | Over-Ear |
| Headphone Jack | 3.5 mm Jack |
| Noise Control | Sound Isolation |
| Cable Length | 1.5 meters (4.9 feet) |
| Driver Diameter | 36 mm |
| Frequency Range | 20 Hz ~ 20 KHz |
| Impedance | 32 Ohm ± 15% |
| Sensitivity | 101 ± 3 dB |
| Item Weight | 110.56 grams (3.9 ounces) |
| Product Dimensions | 18.03 x 14.99 x 6.6 cm |
| Material | Faux Leather, Plastic |
| Control Type | Media Control (Button) |
| Water Resistance Level | Not Water Resistant |
| Age Range | Adult |
9. Warranty and Support
Avantree provides a 24-month warranty for normal use of the HF026 headphones.
For any issues or suggestions, please contact Avantree support:
- Online Support
- Phone Support
- Email Support
A video user guide may also be available on the official Avantree website for additional assistance.





