Introduction
Thank you for choosing the DUCOCUB Auro 3 Open Ear Clip-On Bluetooth Headphones. These headphones are designed to provide a comfortable and immersive audio experience while keeping you aware of your surroundings. This manual will guide you through the setup, operation, and maintenance of your new headphones.
- Open-Ear Clip Design: Enjoy music comfortably without ear canal pressure, maintaining awareness of your environment. Ideal for workouts, daily commutes, and extended listening.
- DNN AI Noise Cancelling for Calls: Experience clear calls with DNN technology, which intelligently distinguishes your voice from ambient noise, ensuring precise conversations even in noisy environments.
- Ultra-Lightweight and Comfortable: The headphones are ultra-lightweight with a memory-steel clip that adapts to your ear shape, providing a stable, breathable, and comfortable fit for all-day wear.
- Dual Sound Mode: Easily switch between immersive music mode and low-latency gaming mode. Enjoy deep, detailed bass and perfect audio synchronization for streaming, relaxation, or online gaming.
- Bluetooth 5.4: Benefit from a fast and stable connection. Open the case, and the earbuds connect instantly. Compatible with iOS, Android, tablets, and PCs.
- IPX7 Water Resistance: These headphones are resistant to water, sweat, and splashes, making them suitable for active lifestyles, intense workouts, or use in light rain.
- 48-Hour Battery Life with LED Display: Enjoy 6-8 hours of continuous listening, extended to up to 48 hours with the charging case. The intelligent LED display shows real-time battery levels.
What's in the Box
Please check the package contents to ensure all items are present:
- Clip-On Earbuds (Left and Right)
- Wireless Charging Case
- USB-C Charging Cable
- User Manual

Image: The package contents, including the DUCOCUB Auro 3 clip-on earbuds, their charging case, a USB-C cable, and the user manual.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones and the charging case.
- Place the earbuds into the charging case.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The LED display on the case will show the battery level during charging. A full charge provides up to 48 hours of total playtime with the case. A 15-minute charge provides approximately 2 hours of playback.

Image: The charging case with earbuds, showing the LED display indicating battery percentage and charging status. Text highlights 8 hours per single charge and 48 hours with the case.
2. Wearing the Headphones
The DUCOCUB Auro 3 features an open-ear clip-on design for comfortable and secure fit.
- Identify the Left (L) and Right (R) earbuds.
- Gently clip the earbud onto your ear, positioning the audio sphere and aligning it with your ear canal.
- Adjust the bridge and cushion until you feel comfortable and the earbud is secure.

Image: A visual guide demonstrating the correct way to position the clip-on earbuds on the ear for optimal comfort and sound.
3. Bluetooth Pairing
The headphones use Bluetooth 5.4 for a quick and stable connection.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, PC), go to Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "Auro 3" from the list.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.


Image: A smartphone displaying the Bluetooth pairing screen, showing the 'Auro 3' headphones connected. Another image illustrates the Bluetooth 5.4 chip for fast connection.
Operating Instructions
Touch Controls
The DUCOCUB Auro 3 headphones feature intuitive touch controls on each earbud.
| Action | Function |
|---|---|
| Two Taps | Answer Call / Hang Up / Play / Pause |
| Three Taps (Left Earbud) | Previous Track |
| Three Taps (Right Earbud) | Next Track |
| Long Press 2s (Left Earbud) | Activate Siri / Voice Assistant |
| Long Press 2s (Right Earbud) | Switch to Game Mode / Reject Call |
| Long Press 2s (Right Earbud) | Switch to Music Mode |


Image: A visual guide to the touch controls and an illustration of switching between game mode (low latency) and music mode (enhanced bass).
Dual Sound Modes
The Auro 3 headphones offer two distinct sound modes:
- Music Mode: Provides immersive audio with powerful bass, ideal for enjoying your favorite tracks.
- Game Mode: Offers ultra-low latency for perfect audio-visual synchronization, enhancing your gaming experience.
Switch between modes by long-pressing the right earbud for 2 seconds.
Maintenance
To ensure the longevity and optimal performance of your DUCOCUB Auro 3 headphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
- Water Resistance: The headphones are IPX7 water-resistant, meaning they can withstand splashes, sweat, and light rain. Do not submerge them in water or expose them to strong jets of water. Ensure they are dry before placing them back in the charging case.
- Storage: When not in use, store the headphones in their charging case to protect them from dust and damage. Store in a cool, dry place away from extreme temperatures.
- Battery Care: To preserve battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.
Troubleshooting
If you encounter issues with your DUCOCUB Auro 3 headphones, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones not turning on | Low battery | Charge the headphones and charging case fully. |
| Cannot pair with device | Bluetooth not enabled, headphones not in pairing mode, device too far | Ensure Bluetooth is on, open the case to enter pairing mode, keep devices within 10 meters. Try restarting both devices. |
| No sound or low volume | Volume too low, improper fit, connection issue | Adjust volume on both headphones and device. Ensure earbuds are worn correctly. Re-pair the headphones. |
| Call quality issues (noise) | Environmental noise, microphone obstruction | Ensure microphone is clear. DNN Noise Cancelling is active, but extreme noise may still affect quality. Move to a quieter environment if possible. |
| Earbuds not charging in case | Poor contact, dirty charging pins, case battery low | Ensure earbuds are correctly seated. Clean charging pins on earbuds and case with a dry cotton swab. Charge the case. |
Specifications
Detailed technical specifications for the DUCOCUB Auro 3 headphones:
| Feature | Detail |
|---|---|
| Brand | DUCOCUB |
| Model Name | Auro 3 |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Wireless Communication Technology | Bluetooth |
| Form Factor | True Wireless, Open-Ear Clip-On |
| Ear Placement | On-Ear (External to the ear) |
| Noise Control | Active Noise Cancellation (DNN for calls) |
| Impedance | 32 Ohm |
| Water Resistance Level | IPX7 (Waterproof) |
| Battery Life (Single Charge) | 8 Hours |
| Battery Life (with Charging Case) | Up to 48 Hours |
| Charging Time | Approx. 1.5-2 hours (for full charge) |
| Control Method | Touch |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktop Computers, Streaming Devices, Gaming Consoles |
| Item Weight | 90 grams |
| Battery Type | Lithium Polymer |


Image: A comprehensive overview of the headphones' features and a close-up of the 14.2mm dynamic driver for immersive audio.
Warranty and Support
DUCOCUB is committed to providing high-quality products and excellent customer service.
- Warranty: Your DUCOCUB Auro 3 headphones come with a 2-year quality warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.
- Returns: Free returns are available within 30 days of purchase.
- Customer Support: For any questions, technical assistance, or warranty claims, please contact our 24/7 online support. Refer to the contact information provided in the product packaging or on the official DUCOCUB website.