1. Introduction
Thank you for choosing the DUDAO U2PRO Bone Conduction Headphones. These open-ear headphones utilize bone conduction technology to transmit sound through your cheekbones, allowing your ears to remain open to ambient sounds. This design is ideal for activities where situational awareness is important, such as outdoor sports.
This manual provides detailed instructions for the proper use, setup, and maintenance of your headphones. Please read it thoroughly before use.
Image 1.1: DUDAO U2PRO Bone Conduction Headphones. These headphones feature an ergonomic design that rests comfortably on the cheekbones, leaving the ears open.
2. Package Contents
Ensure all items are present in the package:
- DUDAO U2PRO Bone Conduction Headphones
- Charging Cable (Type-C)
- Headband (if included as an accessory)
- User Manual
3. Product Overview
The DUDAO U2PRO headphones are designed for comfort and performance, featuring a lightweight body, touch controls, and a secure fit. They incorporate Bluetooth 5.2 for stable connectivity and a built-in microphone for clear calls.
Image 3.1: Overview of DUDAO U2PRO features, highlighting lightweight design, touch control, secure fit, long battery life, open-ear design, Bluetooth 5.2, high-fidelity audio, and clear call functionality.
Image 3.2: Illustration of the DUDAO U2PRO headphones positioned correctly on the ear, demonstrating the open-ear design.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge the headphones. Use the provided Type-C charging cable.
- Connect the Type-C end of the charging cable to the charging port on the headphones.
- Connect the USB-A end of the charging cable to a standard USB power adapter (not included) or a computer's USB port.
- The indicator light will show charging status (refer to LED indicator section for details).
- Once fully charged, disconnect the cable.
Image 4.1: Close-up view of the Type-C charging port on the DUDAO U2PRO headphones.
4.2 Pairing with a Bluetooth Device
The headphones use Bluetooth 5.2 for efficient and stable wireless connection.
- Ensure the headphones are powered off.
- Press and hold the Multi-Function Button (MFB) for approximately 5 seconds until the indicator light flashes white and green alternately. This indicates pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "DUDAO U2PRO" from the list of found devices.
- Once connected, the indicator light will typically turn solid blue or off, depending on the model.
Image 4.2: Diagram illustrating the integrated Bluetooth 5.2 chip for wireless connectivity.
5. Operating Instructions
The DUDAO U2PRO headphones feature smart touch controls for various functions.
Image 5.1: Detailed diagram of the smart touch controls on the DUDAO U2PRO headphones.
5.1 Power On and Off
- Power On: Long press the MFB button for approximately 3 seconds (white light flashes 3 times).
- Power Off: Long press the MFB button for approximately 5 seconds (white light flashes 3 times).
5.2 Music Playback
- Play/Pause: Click the MFB button.
- Next Song: Long press the "+" button.
- Previous Song: Long press the "-" button.
5.3 Volume Control
- Volume Up: Click the "+" button.
- Volume Down: Click the "-" button.
5.4 Call Management
- Answer/Hang Up: Click the MFB button.
- Reject Call: Long press the MFB button.
The headphones feature an HD microphone and CVC intelligent noise reduction for clear calls, even in noisy environments.
Image 5.2: Illustration detailing the HD microphone for vocal clarity and CVC intelligent noise reduction technology in the DUDAO U2PRO headphones.
5.5 Voice Assistant
- Activate Voice Assistant: Double-click the MFB button.
6. Maintenance
To ensure the longevity and optimal performance of your DUDAO U2PRO headphones, follow these maintenance guidelines:
- Cleaning: Wipe the headphones with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: The headphones are water-resistant (IPX4 rated), meaning they can withstand splashes and sweat. Do not submerge them in water or expose them to heavy rain.
- Charging: Use only the provided charging cable. Avoid overcharging or completely draining the battery frequently.
- Handling: Avoid dropping the headphones or subjecting them to strong impacts.
7. Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Headphones not in pairing mode; Bluetooth off on device; device too far. | Ensure headphones are in pairing mode (flashing white/green). Turn on Bluetooth on your device. Move device closer to headphones (within 10 meters). |
| No sound or low volume. | Volume too low on headphones or device; headphones not connected. | Increase volume on both headphones and connected device. Re-pair the headphones. |
| Call quality is poor. | Weak signal; environmental noise. | Move to an area with better signal. Ensure microphone is not obstructed. |
| Headphones disconnect frequently. | Out of range; interference. | Stay within 10 meters of the connected device. Avoid strong electromagnetic interference. |
If the problem persists, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | U2PRO |
| Connectivity Technology | Wireless (Bluetooth 5.2) |
| Audio Driver Type | Bone Conduction Driver |
| Microphone | Built-In (HD Microphone with CVC Noise Reduction) |
| Battery | 240mAh Lithium Ion (up to 10 hours music/talk time) |
| Charging Port | Type-C |
| Item Weight | 16 Grams |
| Water Resistance Level | IPX4 (Water Resistant) |
| Maximum Operating Distance | 10 Metres |
| Material | Metal, Plastic |
| Form Factor | Open Ear, Over ear |
9. Warranty and Support
DUDAO products are designed for reliability. For any compatibility issues or technical assistance, please contact DUDAO customer support.
- Warranty: This product typically comes with a 6-month warranty. Please refer to your purchase documentation for specific warranty terms.
- Customer Support: You can reach DUDAO customer care at +91-9310681651 or via email at customercare@dudao.in.
Manufacturer: Guangdong Huitou Industrial Co.,Ltd
