Introduction
Thank you for choosing the Wentronic Y03 Bluetooth Headphones. These over-ear headphones are designed to provide a high-quality audio experience with features such as Active Noise Cancellation (ANC), multiple EQ music modes, and extended battery life. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the headphones.
Important Safety Information
- Do not expose the headphones to extreme temperatures, humidity, or corrosive substances.
- Avoid dropping or subjecting the headphones to strong impacts.
- Do not disassemble or modify the headphones. This will void the warranty.
- Clean the headphones with a soft, dry cloth. Do not use liquid cleaners.
- Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a safe level.
- Be aware of your surroundings when using the headphones, especially in traffic or other potentially hazardous situations.
Package Contents
Verify that all items listed below are included in your package:
- Wentronic Y03 Headphones
- USB-C Charging Cable
- 3.5mm Audio Cable
- User Manual

Image: Contents of the Wentronic Y03 headphone package, including the headphones, charging cable, 3.5mm audio cable, and user manual.
Product Overview
Headphone Controls and Ports

Image: A detailed diagram illustrating the location and function of buttons and ports on the Wentronic Y03 headphones.
- Power Button: Press and hold to power on/off. Short press for play/pause or to answer/end calls.
- Volume Up/Next Track: Short press for volume up. Long press for next track.
- Volume Down/Previous Track: Short press for volume down. Long press for previous track.
- ANC/EQ Button: Short press to toggle Active Noise Cancellation (ANC) on/off. Double press to cycle through 6 EQ music modes.
- USB-C Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection using the included audio cable.
Setup Guide
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the USB-C charging cable to the headphone's USB-C port and the other end to a USB power source (e.g., wall adapter, computer USB port). The LED indicator will show charging status and turn off when fully charged.
2. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power Button for approximately 3 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Wentronic Y03" from the list of devices.
- Once connected, the LED indicator will show a solid blue light.
3. Wired Connection (AUX)
For devices without Bluetooth or when battery is low, use the included 3.5mm audio cable. Plug one end into the headphone's 3.5mm audio jack and the other end into your audio device's 3.5mm output. The headphones will automatically switch to wired mode. Note that some features like ANC may not function in wired mode if the headphones are powered off.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power Button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power Button for approximately 3 seconds until the LED indicator turns off.
Music Playback
- Play/Pause: Short press the Power Button.
- Next Track: Long press the Volume Up button.
- Previous Track: Long press the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
Call Management
- Answer/End Call: Short press the Power Button.
- Reject Call: Long press the Power Button.
Active Noise Cancellation (ANC)
The Wentronic Y03 headphones feature Active Noise Cancellation to reduce ambient noise. This is particularly useful in noisy environments like airplanes, trains, or busy offices.

Image: An illustration depicting sound waves being cancelled by the headphones, representing the Active Noise Cancellation feature.
- Activate/Deactivate ANC: Short press the ANC/EQ Button. The LED indicator will change to confirm ANC status.
EQ Music Modes
Customize your listening experience with 6 pre-set EQ music modes:

Image: A person playing a keyboard, illustrating the versatility of the 6 EQ music modes for different genres.
- Cycle Modes: Double press the ANC/EQ Button to switch between Pop, Rock, Jazz, Classical, Electronic, and Normal modes.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the headphones. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To preserve battery life, charge the headphones at least once every three months if not used regularly.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. | Ensure headphones are in pairing mode (flashing blue/red LED). Turn off and on Bluetooth on your device. Move closer to the device. |
| No sound in wired mode. | Check if the 3.5mm audio cable is securely connected to both the headphones and the audio source. Ensure the audio source is playing. |
| ANC is not working effectively. | Ensure ANC is activated by short pressing the ANC/EQ button. ANC is most effective against low-frequency ambient noise. |
| Sound quality is poor. | Check the audio source quality. Ensure the headphones are fully charged. Try switching EQ modes. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Y03 |
| Connectivity Technology | Wireless (Bluetooth), Wired (3.5mm Jack) |
| Bluetooth Version | 5.4 |
| Noise Control | Active Noise Cancellation |
| Audio Driver Type | Dynamic Driver |
| Battery Life | Up to 48 hours (32 hours with ANC enabled) |
| Charging Port | USB Type C |
| Earpiece Shape | Over-Ear |
| Material | Plastic |
| Item Weight | 1.52 pounds |
Warranty and Support
For warranty information, technical support, or customer service inquiries, please refer to the warranty card included in your package or visit the official Wentronic website. Keep your purchase receipt as proof of purchase for warranty claims.





