Both sound quality and noise cancellation are improved over the QC-25 it was replacing.

The headphones do provide good noise cancellation and excellent sound quality

With their reliably long battery life, fast charging times, excellent active noise cancellation, and uplifting sound quality, these are a great mid/high-end option for anyone looking for noise cancelling headphones

NOISE CANCELLATIONOne of the main selling points of the 700s is its powerful active noise cancellation

Phenomenal noise cancellation, bass could be a little better, but overall great sound quality!

The sound is good and noise cancellation works pretty well, but I do not recommend purchasing.

I am so please with the headphones themselves, light, excellent sound quality, very good noise cancellation

The good -Noise cancellation is amazing, feels like I'm in a different world while I'm wearing them

I do wish the bass was a bit better, but I think that’s a sacrifice you have to make for the great noise cancellation

Great noise cancellation for plane noise (much better than QC 35 i) and wind noise (driving with window down), but comparable noise cancellation with the QC's for other noises

Sound cancellation is very good, though not as good as the QC35-II in the low range.2

I don't notice this happening with other over-ear noise cancellation headphones.-

While the adjustable noise cancellation is nice, it also does not seem demonstrably better from my 9-year-old pair on the higher settings

Comfortable+ Great Noise Cancellation+ Great Sound QualityCons+ Switching between more than two devices is still really annoying

, these headphones are top quality materials, very light and comfortables for hours of use, sound and noise cancellation are great (3 levels

Interestingly, it seemed like the noise cancelling didn't know what to do with the sound of a jet engine during takeoff, and so there was spotty cancellation during that time

Loved the sound and noise cancellation of

Great noise cancellation and sound

It's great!EXCEPTIONAL noise cancellation (you can set to "10" and you will hear NOTHING", or set to "5"

In sum, these are advanced, powerful headphones that are entirely worth the price, but lose some audio quality in exchange for their powerful noise cancellation

The sound cancellation is the best I've experienced yet and the integration with Alexa is awesone!

Sound cancellation is very good, though not as good as the QC35-II in the low range.2

Great noise cancellation

comfortable- sturdy- noise cancellation works!- music sounds private and nice- fit my small adult head (only minor slipping if I look directly down)- a pleasure to wearDislikes:- the button on the left ear cup only toggles between 3 noise cancellation levels (chosen in the app)- the app and the headphones disagree with each other regularly, usually about battery life remaining (trust the headphones themselves & ignore the notification pushed to the phone that there's only X

These don't disappoint and I love the noise cancellation and sound quality when taking calls with them

It has a very good noise cancellation when used with a phone

I've been a long time user of QC25's and have loved them - lightweight, comfortable, excellent noise cancellation.

Great sound, connect alright, and good noise cancellation

The sound is good and noise cancellation works pretty well, but I do not recommend purchasing.

Great sound & noise cancellation EXCEPT they continually autostarts iMusic and there is no way to change that setting.

Long battery life, great sound quality, excellent noise cancellation

One of the main reasons I bought these over other models was the excellent Noise Cancellation and Bluetooth 5.0

The bad:It's not possible to disable noise cancellation without using the app on your smartphone

This Bose had the best noise cancellation for listening

Superb noise cancellation

The adjustable noise cancellation is awesome since there are times I want to hear my surroundings like when I’m walking on city streets or need to make sure I am not making a lot of noise with headphones on when I’m at home

so I’ve returned them and ordered the older model, Bose QC-35 II.The QC-35 II, to my ear, have better noise cancellation and better audio quality.

Love the noise cancellation and the comfort

Good sound, good noise cancellation, good fit (these fit my smallish head better than the qc 35's, which were a bit too large)

Excellent sound quality and noise cancellation

Great sound quality and noise cancellation!

Great noise cancellation for both listening and for the mic audio

Sound quality and noise cancellation are fine

Very poor noise cancellation, even on the highest setting for it.

The audio quality and noise cancellation was great as well

Comfortable, easy to use, good noise cancellation

The good:Noise cancellation is great, and the look is very nice and clean

I love the fit of the QC35II and am not willing to sacrifice it despite the 700 having superior audio and noise cancellation quality

The difference is more than subtle; in fact, with my portable a/c running at full blast in this weekend's CA heat wave, the Bose puts me in complete 'pitch black' silence.

Noise cancellation is configurable and works as it should and, of course, it comes with amazing sounds

I got these to work as they were intended

The "voice" and the trumpet blast on powerup/down is annoying as it completely blocks being able to hear anything (either ambient noise or the audio program).

These have never worked as they were supposed to

I've owned many models from Bose over the last 20 years, as well as the Sony XM2 and XM3.

The difference is more than subtle; in fact, with my portable a/c running at full blast in this weekend's CA heat wave, the Bose puts me in complete 'pitch black' silence.

Noise cancellation is configurable and works as it should and, of course, it comes with amazing sounds

I got these to work as they were intended

The "voice" and the trumpet blast on powerup/down is annoying as it completely blocks being able to hear anything (either ambient noise or the audio program).

These have never worked as they were supposed to

I've owned many models from Bose over the last 20 years, as well as the Sony XM2 and XM3.

n’t fit her head well and preferred the Sony XM4s.

Love these!!I