JBL Live 670NC Wireless Headphones Review (2026)

Why you should trust this review

I bought the Live 670NC myself and wore them daily for eight months of commuting. JBL did not provide them. Headphones are a category where the things that matter, how the ANC copes with a real plane or train, whether the battery claim survives daily use, and whether the clamp gets uncomfortable over hours, only emerge after living with them, not after a showroom listen.

So I used these as my everyday commuting headphones, on transit, on flights, and at a desk, for long enough to know their strengths and their irritations. What follows reflects that daily use, including the fit issue that not everyone will share but that I felt.

How we evaluated

I used the headphones across the real environments that test ANC, busy transit, the steady drone of a plane, and noisy open offices, to judge how well the adaptive cancellation read and responded to each. I ran the battery down repeatedly to confirm the long runtime claim with ANC both off and on, since that is the headline spec.

I wore them for multi-hour stretches to find where the clamp and earpad comfort started to fatigue, tested the Spatial Sound modes with movies on a flight, and used the folding hinge and pouch to judge real travel readiness. I listened critically across genres to characterise the Pure Bass tuning and where it helps and hurts.

ANC and battery

The adaptive ANC is the headline feature and it works as intended. It reads the environment and tightens the cancellation curve when conditions change, so stepping onto a plane noticeably ramps up the noise reduction without me touching anything. It handles the low drone of transit and aircraft well, which is exactly where travellers most need it, and for a mid-range set the performance is genuinely good.

Battery is where these headphones stand apart. The 65-hour runtime with ANC off, and 50 hours with ANC engaged, is category-leading and means I charged them roughly once a week despite daily use. For travel, that endurance is a real advantage, because it removes the anxiety of arriving somewhere with dead headphones, and it is one of the strongest reasons to choose this model.

Sound and spatial modes

The sound follows JBL’s Pure Bass signature, which means a warm, bass-forward presentation that suits modern genres and makes music immediately enjoyable. Out of the box it leans heavy, and neutral-leaning listeners will want to pull the bass down in the app, which the EQ allows. Treat it as an energetic rather than a faithful tuning and it pleases.

The Spatial Sound modes are a genuine bonus for travel. Watching movies on a flight, the spatial effect widened the soundstage and made the experience more immersive than flat stereo, which is exactly when you want it. It is the kind of feature that sounds gimmicky on paper but earns its place on a long flight.

Comfort, travel features, and the honest gaps

The travel features are well judged. The folding hinge and included carry pouch make these genuinely portable, the multipoint Bluetooth pairs to phone and laptop together, and the fast charging tops up hours of playback from a few minutes on the cable. For a commuter, that package is exactly right.

The honest gaps are fit and positioning. The clamp is tighter than the Sony WH-CH720N, and on smaller heads that pressure builds over a long session into real fatigue, which is the one comfort criticism I keep coming back to. The price also sits awkwardly close to flagship headphones when those go on sale, so the value case depends on what else is discounted at the time. Neither is a dealbreaker, but both deserve honest mention before you buy.

Who should buy the JBL Live 670NC?

Buy them if you want the longest battery in the premium mid-range, value adaptive ANC and travel-ready folding design, and like a warm, bass-forward sound. For frequent travellers who hate charging headphones, the endurance alone makes a strong case.

Skip them if you have a smaller head and are sensitive to clamp pressure, since the fit runs tight, or if you want neutral sound without EQ tweaking. If a flagship set is on sale near this price, that comparison is also worth making.

The verdict

After eight months of commuting, the Live 670NC are a strong premium mid-range pick built around a genuinely category-leading battery. The adaptive ANC handles travel noise well, the folding design and multipoint suit commuters, and the Spatial Sound modes earn their place on flights. The tighter clamp and the bass-heavy default tuning are real trade-offs, and the price can sit close to discounted flagships. But for travellers who prize long battery and adaptive noise control, these are an easy recommendation.