1. Introduction
Thank you for choosing the Wentronic Y03 Wireless Active Noise Cancelling Over Ear Headphones. These headphones are designed to provide a high-quality audio experience with advanced features for comfort and versatility. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Video: Overview of Wentronic Y03 Bluetooth Headphones features and design.
2. What's in the Box
Please check the package contents to ensure all items are present:
- Y03 Headphones
- Charging Cable (USB-C)
- 3.5mm Audio Cable
- User Manual

Image: The Wentronic Y03 headphones and included accessories: charging cable, 3.5mm audio cable, and user manual.
3. Product Overview
3.1 Controls and Functions
Familiarize yourself with the control buttons on your headphones:

Image: Detailed view of the headphone controls, indicating functions such as Activate Siri, ANC mode, EQ mode, Previous song, Volume up, On/Off, Play/Pause, Answer/Hang up, Reject call, Next song, and Volume down.
- Power Button: On/Off, Play/Pause, Answer/Hang up calls.
- Volume Up (+): Increase volume, Next song (long press).
- Volume Down (-): Decrease volume, Previous song (long press).
- ANC Button: Activate/Deactivate Active Noise Cancellation.
- EQ Button: Cycle through Equalizer modes.
- Multi-function Button: Activate voice assistant (Siri/Google Assistant).
3.2 Key Features
- Active Noise Cancellation (ANC): Reduces ambient noise for immersive listening.
- 6 EQ Music Modes: Customize your audio experience (Rock, Pop, Jazz, Classical, Electronic, Normal).
- Long Battery Life: Up to 60 hours of playback on a single charge.
- Bluetooth 5.4: Stable and efficient wireless connection.
- Comfortable Design: Soft ear cushions for extended wear.

Image: Active Noise Cancellation feature, allowing users to focus on their audio.

Image: The 6 EQ Music Modes feature, enabling sound customization.

Image: The comfortable design of the headphones, suitable for extended use.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge your headphones. A full charge provides up to 60 hours of playback.
- Connect the USB-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a USB power source (e.g., wall adapter, computer USB port).
- The LED indicator will show charging status (refer to LED indicator section for details, if available).
- Charging typically takes approximately 48 hours for a full charge.

Image: The headphones highlighting their extended battery life.
4.2 Bluetooth Pairing
To connect your headphones to a device:
- Ensure the headphones are charged and powered off.
- Press and hold the Power button until the LED indicator flashes, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Wentronic Y03" from the list of devices.
- Once connected, the LED indicator will change (refer to LED indicator section).

Image: Illustrates the universal compatibility of the headphones with various devices.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 5 seconds.
5.2 Music Playback
- Play/Pause: Short press the Power button.
- Volume Up: Short press the '+' button.
- Volume Down: Short press the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
5.3 Active Noise Cancellation (ANC)
- Activate ANC: Short press the ANC button.
- Deactivate ANC: Short press the ANC button again.
5.4 Equalizer (EQ) Modes
- Change EQ Mode: Short press the EQ button to cycle through available modes (Rock, Pop, Jazz, Classical, Electronic, Normal).
5.5 Call Management
- Answer/End Call: Short press the Power button.
- Reject Call: Long press the Power button.
- Activate Voice Assistant: Short press the Multi-function button.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use liquids or abrasive cleaners.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the headphones regularly, even if not used frequently. Avoid fully discharging the battery for extended periods.
7. Troubleshooting
If you encounter issues with your headphones, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on | Low battery | Charge the headphones fully. |
| Cannot pair with device | Headphones not in pairing mode; Device Bluetooth off; Too far from device | Ensure headphones are in pairing mode. Turn on device Bluetooth. Move headphones closer to device. Forget device and re-pair. |
| No sound | Volume too low; Not connected; Incorrect audio source | Increase volume on headphones and device. Ensure headphones are connected. Check device audio output settings. |
| ANC not working effectively | ANC not activated; Improper fit | Press the ANC button to activate. Adjust headphones for a snug fit over your ears. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Wentronic |
| Model Number | Y03 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Noise Control | Active Noise Cancellation |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
| Battery Average Life | 60 Hours |
| Battery Charge Time | 48 Hours |
| Frequency Range | 20Hz - 20,000Hz |
| Audio Driver Type | Dynamic Driver |
| Control Type | Button Control |
| Headphone Jack | 3.5 mm Jack |
| Material | Plastic |
9. Warranty and Support
9.1 Warranty Information
The Wentronic Y03 headphones come with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your Wentronic Y03 headphones, please contact our customer support team:
- Email: support@wentronic.com (example)
- Website: www.wentronic.com (example)
Our support team is available Monday to Friday, 9:00 AM to 5:00 PM (local time).