JBL Live 670NC Wireless On-Ear Headphones - Long Battery & ANC

In this review the JBL Live 670NC is presented as a practical on-ear option for people who need long playback, solid noise control and clear everyday performance. The headphones deliver the single biggest reason to buy: long battery life coupled with effective adaptive noise cancelling, making them suitable for commuters, remote workers and anyone who wants uninterrupted listening through a long day. The review evaluates comfort, sound, battery and call functionality to help decide if these lightweight, foldable on-ear cans fit your routine.

Key Features

• JBL Signature Sound: 40mm drivers deliver detailed, punchy audio and spatial processing that enhances stereo tracks into a wider virtual surround experience.
• True Adaptive Noise Cancelling: Four noise-sensing microphones adjust cancellation to reduce distractions while Smart Ambient lets important sounds through when you need them.
• Bluetooth 5.3 with LE audio support: Modern wireless connectivity provides stable streaming and an OTA path for enhanced audio modes without replacing the headphones.
• Up to 65 hours battery life: Very long playback time that covers multiple days of commuting or travel, with a 5-minute Speed Charge delivering about 4 hours in a hurry.
• Lightweight, foldable design: A compact, comfortable on-ear headband that folds for storage and is easy to carry without much bulk.
• Auto play/pause and voice assistant access: Sensors pause playback when you remove the headphones and let you trigger your voice assistant with a tap.

Who It's For

The Live 670NC is best for commuters, frequent travelers and remote workers who value long battery life and consistent noise cancelling without a lot of weight on the head. The adaptive ANC and Smart Ambient mode make it easy to switch between focused listening and hearing announcements or conversations.

Those who should look elsewhere include audiophiles seeking hi-res wired listening or people who need ultra-soft over-ear cushions for long studio sessions; on-ear designs can feel snug for some users, and a few buyers reported mixed comfort and fit.

Pros & Cons

Pros

• Excellent battery life and fast Speed Charge make these reliable for long trips.
• Effective adaptive noise cancelling with a Smart Ambient option for situational awareness.
• Clear, punchy JBL Signature Sound with a widened spatial impression from the 40mm drivers.
• Modern Bluetooth 5.3 connectivity and practical folding design for portability.

Cons

• Comfort and fit are mixed across users; the on-ear clamping can feel tight to some during long sessions.
• Not targeted at studio reference listening or those who need a fully immersive over-ear seal.

Specifications

Our Verdict

The JBL Live 670NC is a strong value for buyers who want reliable noise cancelling, long battery life and good everyday sound in a compact, foldable on-ear package. It is especially useful for commuters and people who need long uninterrupted playback; just be aware that the on-ear fit can feel tight for some users. Overall, it offers practical features and performance at a competitive price point.

Frequently Asked Questions

How long does the battery last with ANC on?
With Bluetooth and True Adaptive Noise Cancelling active expect about 50 hours of playback, while the 65-hour figure applies with ANC off.

Can the ANC be adjusted for hearing surroundings?
Yes, Smart Ambient mode lets external sounds in so you can hear announcements or have conversations without removing the headphones.

Is Bluetooth 5.3 required for full functionality?
No, Bluetooth 5.3 provides improved efficiency and LE audio support, and an OTA update can enable extra audio modes; the headphones still work with older Bluetooth versions.