Electronics / Headphones Earbuds
JBL Tune 670NC Adaptive Noise Cancelling Wireless Headphones User Guide
Comprehensive user guide for the JBL Tune 670NC headphones, covering setup, Bluetooth pairing, multi-point connection, app integration, and maintenance.
Table of contents
Manual images
Jump to the sectionProduct Overview
The JBL Tune 670NC are adaptive noise-cancelling wireless on-ear headphones designed for comfort and high-quality sound. They feature JBL Pure Bass Sound, Bluetooth 5.3 connectivity, and a foldable design for portability. With up to 70 hours of battery life, these headphones are built for extended use.
Getting Started
To begin using your headphones, ensure they are fully charged. Power on the device by holding the power button for 2 seconds. The headphones will automatically enter pairing mode if no device is connected. Select 'JBL TUNE670NC' in your device's Bluetooth settings to establish a connection. For Android 6.0+ devices, the headphones support Fast Pair for a seamless connection experience.
App Integration
Enhance your listening experience by downloading the free JBL Headphones app. The app allows you to customize your sound profile, adjust EQ settings, manage voice assistants, and control ambient sound modes like Noise Cancelling, Ambient Aware, and TalkThru. It also provides access to advanced features and firmware updates.
Controls and Features
The headphones feature intuitive physical buttons on the earcups for easy control. You can adjust volume, play/pause music, manage calls, and activate voice assistants. The multi-point connection feature allows you to connect to two Bluetooth devices simultaneously, enabling you to switch between a video on your tablet and a call on your phone effortlessly.
Wired Listening and Charging
If you prefer a wired connection or the battery is low, you can use the included detachable audio cable. To charge the headphones, use the provided USB-C cable. A full charge takes approximately 2 hours, and a quick 5-minute charge provides up to 3 hours of additional playback time.
Maintenance and Safety
To prolong battery lifespan, fully charge the headphones at least once every 3 months. Keep the device away from extreme temperatures and moisture. If you encounter connectivity issues, you can perform a factory reset by holding the volume up and down buttons simultaneously for 5 seconds while the device is on.
Manufacturer information
JBL
Practical help
Common problems
Headphones not connecting to Bluetooth
Power off the headphones, then hold the power button for 5 seconds to re-enter pairing mode.
Need to reset to factory settings
While the device is on, hold the volume up and volume down buttons simultaneously for 5 seconds.
Battery life seems short
Ensure you are charging the device fully at least once every 3 months and check if ANC is enabled, as it affects battery life.
Before use
- Charge the headphones fully using the USB-C cable.
- Download the JBL Headphones app.
- Ensure Bluetooth is enabled on your source device.
- Check that the ear cushions are clean.
Specs in practice
- Bluetooth version
- 5.3, providing stable and efficient wireless connectivity.
- Battery life
- Up to 70 hours with BT on/ANC off, or 44 hours with BT and ANC on.
- Charging time
- 2 hours for a full charge from empty.
Images and diagrams
- The left earcup contains the audio jack for wired listening.
- The right earcup houses the power button, volume controls, and USB-C charging port.
- LED indicators show battery status (low, charging, full) and Bluetooth connection status.
- Multi-point connection is managed by pressing the Bluetooth button twice.
Model compatibility
- Supports Android 6.0+ with Fast Pair.
- Supports Windows 10 v1803+ with Microsoft Swift Pair.
- Compatible with Google Assistant and Amazon Alexa.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.