ZINGBIRD U9
ZINGBIRD Active Noise Cancelling Headphones U9 User Manual
Model: U9
Introduction
Thank you for choosing the ZINGBIRD U9 Active Noise Cancelling Headphones. These headphones are designed to provide an immersive audio experience with advanced noise cancellation technology, long battery life, and comfortable wear. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Product Overview
Familiarize yourself with the components and controls of your ZINGBIRD U9 headphones.

Image: Overview of the headphone controls, including power, volume, ANC, and mode buttons.
Key Features:
- Hybrid Active Noise Cancellation (ANC 3.0): Reduces ambient noise by up to 35dB for focused listening.
- Environmental Noise Cancellation (ENC): Enhances call clarity by reducing surrounding noise during phone conversations.
- Immersive Hi-Res Audio: Equipped with 40mm dynamic drivers for rich, detailed sound.
- Extended Battery Life: Up to 120 hours of playtime on a single charge.
- Transparency Mode: Allows you to hear your surroundings without removing the headphones.
- Gaming Mode: Provides ultra-low latency (0.08s) for a synchronized gaming experience.
- AUX Wired Mode: Continue listening via a wired connection when the battery is low.
- Wide Compatibility: Supports dual Bluetooth connection for simultaneous pairing with two devices.
- Comfortable Design: Over-ear design with soft earmuffs and an adjustable headband for prolonged wear.
Setup
1. Charging the Headphones
Before first use, fully charge your ZINGBIRD U9 headphones. Connect the provided USB-C charging cable to the charging port on the headphones and to a USB power source. The LED indicator will show the charging status and turn off when fully charged.

Image: The USB-C port on the headphones, used for charging and AUX wired mode.
A full charge provides up to 120 hours of playtime.
2. Powering On/Off
- To Power On: Press and hold the Power button for 2 seconds until the LED indicator lights up.
- To Power Off: Press and hold the Power button for 3 seconds until the LED indicator turns off.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for 5 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 "ZINGBIRD U9" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.
The headphones support dual connection, allowing them to be paired with two devices simultaneously. To connect a second device, disconnect from the first, put the headphones back into pairing mode, connect to the second device, then reconnect to the first device from its Bluetooth settings.

Image: Headphones shown with a smartphone and tablet, illustrating dual device compatibility.
Operating Instructions
Active Noise Cancellation (ANC)
The ZINGBIRD U9 features Hybrid ANC 3.0 to minimize ambient noise.
- To Activate ANC: Press the ANC button once. The ANC indicator light will turn on.
- To Deactivate ANC: Press the ANC button again. The ANC indicator light will turn off.

Image: Close-up of the headphone earcup showing the ANC button and indicators for ANC 3.0 and ENC.
Transparency Mode
Transparency Mode allows you to hear your surroundings clearly while wearing the headphones.
- To Activate Transparency Mode: Press the ANC button twice quickly.
- To Deactivate Transparency Mode: Press the ANC button again to cycle back to ANC or normal mode.

Image: A person wearing the headphones, with a graphic indicating the Transparency Mode feature.
Gaming Mode
Engage Gaming Mode for ultra-low latency audio, ideal for gaming.
- To Activate Gaming Mode: Refer to the button controls diagram for the specific button press (often a triple-click or long press on a specific button).
- To Deactivate Gaming Mode: Repeat the activation step.

Image: A person using the headphones while gaming on a computer, emphasizing the low-latency Gaming Mode.
Music Playback
- Play/Pause: Single-click the Multi-function button.
- Volume Up: Single-click the '+' button.
- Volume Down: Single-click the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
Call Management
The ZINGBIRD U9 headphones are equipped with 5 omnidirectional microphones and ENC for clear calls.
- Answer/End Call: Single-click the Multi-function button.
- Reject Call: Long press the Multi-function button for 2 seconds.
- Activate Voice Assistant: Double-click the Multi-function button.

Image: A person wearing the headphones, with an overlay indicating the 5 omnidirectional microphones and ENC for call clarity.
AUX Wired Mode
You can use the headphones with a wired connection, even if the battery is depleted.
- Connect one end of the provided USB-C to 3.5mm audio cable (if included, or USB-C to USB-C for digital audio) to the headphone's USB-C port.
- Connect the other end to your audio source's 3.5mm jack or USB-C port.
Maintenance
- Cleaning: Wipe the headphones with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly.
- Water Resistance: These headphones are not waterproof. Avoid exposure to liquids.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect them to a power source using the USB-C cable. |
| Cannot pair with a device. |
|
| No sound or low volume. |
|
| ANC is not effective. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | ZINGBIRD |
| Model Name | U9 |
| Ear Placement | Over Ear |
| Noise Control | Active Noise Cancellation (ANC 3.0) |
| Audio Driver Type | Dynamic Driver (40mm) |
| Wireless Technology | Bluetooth |
| Bluetooth Version | 6.0 |
| Control Method | Push Button |
| Battery Life | Up to 120 Hours (Playtime) |
| Specific Uses | Gaming, Travel, Office, Home, Daily Use |
| Microphones | 5 Omnidirectional Mics with ENC |
Warranty and Support
ZINGBIRD products come with a standard manufacturer's warranty. For detailed warranty information, product support, or to register your product, please visit the official ZINGBIRD website or contact customer service.
Website: www.zingbird.com (Example URL, please refer to actual product documentation for correct website)
Email: support@zingbird.com (Example Email, please refer to actual product documentation for correct email)
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