Introduction
Thank you for choosing the DUDAO U5B Wireless Bluetooth Neckband. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read it carefully to ensure optimal performance and longevity of your neckband.
What's in the Box
Your DUDAO U5B package should contain the following items:
- DUDAO U5B Wireless Bluetooth Neckband
- Charging Cable
- Headband (if applicable, typically refers to the neckband itself or an accessory)

Image: The DUDAO U5B Wireless Bluetooth Neckband, showcasing its design with earbuds and neckband.
Setup
1. Charging the Neckband
Before first use, fully charge your DUDAO U5B neckband. Connect the provided charging cable to the charging port on the neckband and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off or change color when fully charged. A full charge provides up to 20 hours of playtime, and the neckband supports fast charging for quick power-ups.
2. Bluetooth Pairing
- Ensure the neckband is sufficiently charged.
- Turn on the neckband by pressing and holding the power button until the LED indicator flashes, indicating it's in pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "DUDAO U5B" from the list of found devices.
- Once connected, the LED indicator will stop flashing and remain solid, or turn off, depending on the model. You will also hear an audible confirmation.
The neckband features a convenient magnetic design for easy connection. After the initial successful Bluetooth connection, it will automatically connect to your device upon subsequent power-ups if Bluetooth is enabled on your device.

Image: Close-up of the DUDAO U5B neckband highlighting its magnetic design for convenient storage and automatic connection feature.
Operating Instructions
In-Line Controls
The DUDAO U5B neckband is equipped with intuitive in-line controls for managing calls and music playback:
- Power On/Off: Press and hold the multi-function button.
- Play/Pause Music: Short press the multi-function button.
- Next Track: Long press the Volume + button.
- Previous Track: Long press the Volume - button.
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.
- Answer/End Call: Short press the multi-function button during an incoming call.
- Reject Call: Long press the multi-function button during an incoming call.
- Activate Voice Assistant: Double-press the multi-function button (if supported by your device).
Noise Reduction
The neckband features noise reduction technology to minimize background noise, providing clearer audio for calls and an enhanced listening experience for music or podcasts.

Image: A person wearing the DUDAO U5B neckband, demonstrating its comfortable and secure fit for daily use.
Maintenance
Proper care will extend the life of your DUDAO U5B neckband:
- Cleaning: Use a soft, dry cloth to clean the neckband and earbuds. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the neckband in a cool, dry place, away from direct sunlight and extreme temperatures.
- Water Resistance: The neckband is water resistant. While it can withstand splashes and light rain, do not submerge it in water or expose it to heavy downpours.
- Charging: Always use the provided charging cable or a certified equivalent. Avoid overcharging the battery.

Image: An icon representing water resistance, indicating the neckband's ability to withstand splashes.
Troubleshooting
If you encounter issues with your DUDAO U5B neckband, try the following solutions:
- Cannot Power On: Ensure the neckband is fully charged. Connect it to a power source and try again.
- Cannot Pair with Device:
- Make sure the neckband is in pairing mode (LED flashing).
- Ensure Bluetooth is enabled on your device and it's within 10 meters of the neckband.
- Forget "DUDAO U5B" from your device's Bluetooth settings and try pairing again.
- Restart both the neckband and your device.
- No Sound or Low Volume:
- Check the volume levels on both the neckband and your connected device.
- Ensure the neckband is properly connected to your device.
- Try playing different audio sources.
- Poor Sound Quality:
- Move closer to your connected device to avoid interference.
- Ensure there are no obstacles between the neckband and your device.
- Check if the earbuds are clean and free from debris.
- Charging Issues:
- Verify the charging cable is securely connected to both the neckband and the power source.
- Try a different USB port or power adapter.
- Ensure the charging port on the neckband is clean.
Specifications
Detailed technical specifications for the DUDAO U5B Wireless Bluetooth Neckband:
| Feature | Specification |
|---|---|
| Model Name | U5B Bluetooth Neckband |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 10 Metres |
| Noise Control | Active Noise Cancellation |
| Battery Life | Up to 20 Hours Playtime |
| Charging Feature | Fast Charging Support |
| Microphone Format | In-Line |
| Control Type | Volume Control, Touch |
| Audio Driver Size | 10 Millimetres |
| Frequency Range | 20Hz - 20KHz |
| Item Weight | 30 Grams |
| Water Resistance Level | Water Resistant |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 10 x 10 x 5 cm |
| Country of Origin | China |

Image: A visual representation of the DUDAO U5B's key product parameters and specifications.
Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or contact DUDAO INDIA directly. You can reach them at the following details:
DUDAO INDIA
101 Mall Road Kingsway Camp GTB Nagar Metro Station Gate No 1
NEW DELHI, DELHI 110009
Phone: +91 9310681651
Please retain your purchase receipt for warranty claims.