JBL Live 670NC Wireless On-Ear Headphones - Long Battery Life

In this review of the JBL Live 670NC, the bottom line is clear: these lightweight, foldable on-ear headphones are best for listeners who want strong battery life and reliable noise control without overcomplicated setup. The reviewer found the JBL Signature Sound and immersive spatial processing to be the single biggest reason to buy, while the combination of True Adaptive Noise Cancelling and Smart Ambient gives flexible listening in busy environments. For commuters, students, and anyone who values comfortable, long-running wireless headphones, the Live 670NC strikes a practical balance.

Key Features

• JBL Signature Sound: The 40mm drivers deliver clear, punchy audio with immersive JBL Spatial Sound that enhances stereo tracks into a wider virtual surround effect.
• Bluetooth 5.3 with LE audio support: Modern wireless connectivity ensures efficient streaming and the option for a future OTA upgrade to LE audio for improved low-bit-rate performance.
• True Adaptive Noise Cancelling: Four noise-sensing microphones adapt to your environment to reduce distractions while Smart Ambient lets you hear surroundings when you need to.
• Exceptional battery life: Long runtime allows up to 65 hours in the most efficient configuration and a useful speed charge gives about 4 hours of playback from a 5 minute top-up.
• Comfortable, foldable design: Lightweight construction and a compact, fold-flat hinge make these easy to wear for extended sessions and simple to pack for travel.
• Auto play and pause: Sensors stop playback when you take the headphones off and resume when you put them back on for a seamless listening experience.

Who It's For

The Live 670NC suits people who want dependable noise cancelling and long battery life in a compact on-ear package, such as daily commuters, remote workers, and students who move between quiet and noisy spaces. The combination of strong signature sound and Smart Ambient makes them versatile for music, podcasts, and video when synchronization matters.

Those seeking studio-accurate monitoring or over-ear isolation for very loud environments may want to look elsewhere, as on-ear cushions and a focus on balanced consumer tuning mean these are optimized for everyday enjoyment rather than professional mixing or maximum passive isolation.

Pros & Cons

Pros

• Impressive JBL Signature Sound and spatial expansion from the 40mm drivers for engaging listening.
• Long battery life with practical speed charge that provides several hours from a very short top-up.
• Adaptive noise cancelling with Smart Ambient provides flexible control between isolation and awareness.
• Lightweight, comfortable fit and foldable design make them travel friendly and easy to wear.

Cons

• On-ear design offers less passive isolation than over-ear models, which may let in more background noise in very loud settings.
• Some advanced Bluetooth features require an OTA update to unlock full LE audio benefits.

Specifications

Drivers	40mm
Sound	JBL Signature Sound with Spatial Sound
Bluetooth	Bluetooth 5.3 (LE audio supported via OTA)
Noise Cancelling	True Adaptive Noise Cancelling with Smart Ambient
Battery life	Up to 65 hours (speed charge: 5 min = ~4 hours)
Design	Lightweight, comfortable, foldable on-ear
Controls	Auto play/pause sensors

Our Verdict

The JBL Live 670NC are a strong choice for anyone who prioritizes long battery life, flexible noise cancelling, and approachable sound in a compact on-ear package. They deliver clear, immersive audio and real-world conveniences like speed charge and auto pause, making them excellent value for commuters and casual listeners who want performance without fuss.

Frequently Asked Questions

Can these headphones be used for calls?
Yes, they include multiple noise-sensing microphones and work well for everyday voice calls, with noise cancelling helping reduce background distractions.

How long does a full charge take?
A full recharge takes about 2 hours using the provided USB-C cable, while a quick 5 minute charge provides roughly 4 hours of playback.

Do they support advanced Bluetooth features now?
Bluetooth 5.3 is built in and LE audio support is available via an over-the-air update when provided.