Introduction
Thank you for choosing the QERE E40 Wireless Headphones. These TWS (True Wireless Stereo) earbuds are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.3 connectivity, 60ms low latency for gaming, four-microphone Environmental Noise Cancellation (ENC) for clear calls, and Hi-Fi deep bass sound. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Image: QERE E40 Wireless Headphones in black, showcasing the earbuds and charging case.
Package Contents
Please check the box for the following items:
- QERE E40 Wireless Earbuds (Left and Right)
- Charging Case
- User Manual
- Charging Cable (Type-C)
Specifications
| Feature | Specification |
|---|---|
| Brand Name | QERE |
| Model | E40 |
| Item Condition | New |
| Material | ABS |
| Style | In-ear |
| Communication | Wireless (Bluetooth) |
| Wireless Type | Bluetooth 5.3 |
| Connectors | Type-C |
| Driver Diameter | 13mm |
| Vocalism Principle | Balanced Armature |
| Frequency Response Range | 20 - 20000 Hz |
| Impedance Range | up to 32 Ω |
| Resistance | 32 Ω |
| Sensitivity | 90 dB |
| Battery Capacity (Case) | 350 mAh |
| Battery Life (Total) | Up to 28 hours |
| Charging Method | Charging case (Type-C) |
| Full Charge Time (Case) | Approx. 1.5 hours |
| Quick Charge | 30 mins charge for 3 hours playtime |
| Maximum Wireless Range | 10m-20m |
| Microphones | 4 (ENC Call Noise Reduction) |
| Low Latency | 60ms |
| Sound Isolating | Yes |
| Active Noise-Cancellation | No |
| Waterproof Rating | IPX-54 |
| Volume Control | Yes |
| Control Button | Yes |
| Support APP | No |
| Certification | CE, FCC, RoHS |
Image: Key features of the QERE E40, highlighting battery life, microphone count, Bluetooth version, noise reduction, and sound quality.
Setup
1. Charging the Headphones
Before first use, fully charge the QERE E40 headphones and charging case.
- Connect the provided Type-C charging cable to the charging port on the case and a power source.
- The LED display on the charging case will indicate the battery level.
- A full charge for the case takes approximately 1.5 hours.
- A 30-minute charge can provide up to 3 hours of playtime.
Image: The QERE E40 charging case being charged via its Type-C port.
2. Pairing with Your Device
The QERE E40 headphones feature automatic pairing for seamless connectivity.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "E40" from the list.
- Once connected, you will hear an audio prompt, and the device will show "Connected".
- The Bluetooth 5.3 chip ensures faster, stable connections, and smoother experiences.
Image: Seamless connectivity and auto-pairing process for the E40 headphones.
Image: Internal view of the Bluetooth 5.3 chip, indicating a 40% enhancement over Bluetooth 5.2.
Operating Instructions
1. Basic Controls
The QERE E40 headphones feature control buttons for easy management of audio and calls. Specific tap/press functions are typically detailed in the quick start guide or through device settings.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Control: Triple tap on the right earbud to increase volume, triple tap on the left earbud to decrease volume.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud.
- Activate Voice Assistant: Press and hold for 2 seconds on either earbud.
2. Call Management
Equipped with four microphones and Environmental Noise Cancellation (ENC) technology, the E40 ensures crystal clear conversations by effectively blocking out external disturbances.
Image: Demonstrating the four-mic call noise reduction for clear conversations.
Image: Illustration of ENC Four-Mic technology effectively blocking out external disturbances.
3. Gaming Mode (60ms Low Latency)
For an immersive gaming experience, the E40 offers a 60ms low latency mode, providing a competitive edge with synchronized audio and visuals.
Image: The E40 headphones providing 60ms low latency for an immersive gaming experience.
4. Battery Level Indicator
The charging case features an LED display to effortlessly check the battery levels of both the charging case and the individual earbuds.
Image: LED display showing battery levels for the charging case and earbuds.
5. Audio Experience
Enjoy a captivating audio experience with Hi-Fi Bass Sound and Spatial Audio, delivered by 13mm dynamic drivers.
Image: Spatial Audio feature, allowing music to transcend traditional boundaries.
Image: Detailed view of the 13mm speaker, responsible for HiFi sound and an immersive soundstage.
Maintenance
To ensure the longevity and optimal performance of your QERE E40 headphones, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The headphones have an IPX-54 waterproof rating, meaning they are protected against dust and splashing water from any direction. Do not submerge them in water or expose them to heavy rain.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
- Charging Port: Keep the Type-C charging port free of dust and debris.
Troubleshooting
If you encounter any issues with your QERE E40 headphones, try the following troubleshooting steps:
- No Sound/Poor Sound Quality:
- Ensure the earbuds are properly charged.
- Check the volume level on both your device and the earbuds.
- Make sure the earbuds are correctly paired with your device. Try re-pairing if necessary.
- Clean any debris from the earbud speakers.
- Earbuds Not Pairing:
- Ensure Bluetooth is enabled on your device.
- Place both earbuds back into the charging case, close the lid, wait a few seconds, then open it again to re-enter pairing mode.
- Forget the device "E40" from your device's Bluetooth settings and try pairing again.
- Ensure the earbuds are sufficiently charged.
- Charging Issues:
- Verify the charging cable is securely connected to both the case and the power source.
- Try a different Type-C cable or power adapter.
- Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Microphone Not Working:
- Ensure the earbuds are properly connected during a call.
- Check your device's privacy settings to ensure microphone access is granted to the Bluetooth device.
- Clean the microphone ports on the earbuds.
User Tips
Here are some general tips to enhance your experience with the QERE E40 Wireless Headphones:
- For optimal sound quality and comfort, ensure you select the correct size ear tips that provide a good seal in your ear canal.
- Keep the charging case charged, even when not actively using the earbuds, to ensure they are always ready for use.
- When experiencing connectivity issues, try moving closer to your paired device to avoid interference.
- Utilize the low latency gaming mode for a more synchronized audio experience during mobile gaming.
Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact QERE customer service through the retailer where you purchased the product. Please retain your proof of purchase for warranty validation.
