1. Setup
1.1 Unboxing
Upon opening the package, you will find your JBL Tune 770NC headphones, a USB-C charging cable, an audio cable for wired connection, and a Quick Start Guide. The headphones are carefully packaged to ensure their protection during transit.
1.2 Charging
Before first use, fully charge your headphones. Connect the provided USB-C charging cable to the charging port on the headphone ear-cup and the other end to a USB power source. A full charge takes approximately 2 hours, providing up to 70 hours of playtime. A 5-minute speed charge can provide 3 hours of playback.
1.3 Bluetooth Pairing
To pair your headphones via Bluetooth 5.3:
- Power on the headphones by pressing and holding the power button until the LED indicator flashes blue.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "JBL Tune 770NC" from the list of devices.
- Once connected, the LED indicator will turn solid blue.
The headphones support multi-point connection, allowing you to seamlessly switch between two Bluetooth devices.
2. Operating
2.1 Controls
The ear-cups feature intuitive buttons for controlling your audio and calls:
- Power Button: Press and hold to power on/off.
- Volume Up/Down: Adjust audio volume.
- Play/Pause/Skip: Control music playback.
- Call Management: Answer, end, or reject calls.
- Noise Cancelling/Ambient Aware: Toggle between modes.
2.2 Adaptive Noise Cancelling & Smart Ambient
The Adaptive Noise Cancelling feature minimizes distractions by adjusting to your environment. To stay aware of your surroundings, activate Ambient Aware mode. For conversations without removing your headphones, use TalkThru mode. These modes can be managed via the JBL Headphones app.
2.3 Hands-free Calls with VoiceAware
Make and receive hands-free calls with ease. The VoiceAware technology allows you to hear your own voice during calls, enhancing the call experience.
2.4 JBL Headphones App
Download the free JBL Headphones App to customize your listening experience. The app allows you to:
- Tailor sound with pre-set EQ modes or custom EQ curves.
- Control Adaptive Noise Cancelling and Smart Ambient modes.
- Access Voice Assistant features.
2.5 Wired Connection
For situations where wireless connectivity is not preferred or battery is low, use the included 3.5mm audio cable to connect your headphones to compatible devices.
3. Maintenance
3.1 Cleaning
To maintain the performance and appearance of your headphones:
- Wipe the ear-cups and headband with a soft, dry cloth.
- Avoid using harsh chemicals or abrasive materials.
- Do not immerse the headphones in water.
3.2 Storage
When not in use, store your headphones in a cool, dry place. The foldable design allows for compact storage, protecting them from damage.
4. Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on | Ensure the headphones are charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth | Make sure Bluetooth is enabled on your device and the headphones are in pairing mode (flashing blue LED). Try restarting both devices. |
| No sound | Check volume levels on both headphones and connected device. Ensure headphones are correctly paired or the audio cable is securely connected. |
| Noise Cancelling not effective | Ensure ear-cups fit snugly over your ears. Adjust ANC settings via the JBL Headphones App. |
5. Specifications
| Feature | Detail |
|---|---|
| Model Name | JBL TUNE 770NC |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Battery Life | Up to 70 Hours |
| Charging Time | 2 Hours (5-minute speed charge for 3 hours playtime) |
| Noise Control | Adaptive Noise Cancelling, Smart Ambient, TalkThru |
| Audio Driver Type | Dynamic Driver |
| Headphones Jack | 3.5 mm Jack |
| Item Weight | 232 Grams (8.2 ounces) |
| Special Features | Adjustable Headband, Built-In Voice Assistant, Foldable, Multipoint Pairing |
6. Warranty
This product is covered by JBL's standard manufacturer's warranty. Please refer to the included warranty card or visit the official JBL website for detailed terms and conditions regarding coverage and duration. For renewed products, specific warranty terms may apply; consult your retailer for details.
7. Support
For further assistance, technical support, or customer service, please visit the official JBL support website or contact their customer service hotline. You can find contact information in the Quick Start Guide or on the JBL website.
