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Bose QuietComfort 35 II vs Bose QuietComfort Headphones

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

BoseQuietComfort 35 IIBoseQuietComfort Headphones
Overview
ReleasedSeptember 2017September 2023
Sound
TypeOver-earOver-ear
Noise cancellingYesYes
Transparency mode–Yes
Bluetooth codecsSBC and AACSBC and AAC
Noise cancelling detailHigh, Low and Off settings in the Bose Connect app or via the Action button; defaults to High on power-up; no dedicated transparency mode described in the maker's guideQuiet Mode (full noise cancelling) and Aware Mode (full transparency), plus custom modes with adjustable noise cancelling in the Bose app; Wind Block can be added to any mode; microphones inside and outside the ear cups
Audio featuresNo custom equaliser in Bose Connect (SoundGuys); SBC and AAC codecs confirmed by SoundGuysTriPort acoustic structure; three-band EQ (bass, mid-range, treble) with presets in the Bose app
Battery
Listening time (maker's claim)Up to 20 hoursUp to 24 hours
Battery life detailUp to 20 hours wirelessly or 40 hours using the supplied audio cable; headphones do not play while charging; analogue listening remains possible with a depleted batteryUp to 24 hours with noise cancelling on, tested by Bose at 75 dB SPL; the headphones don't play while charging
Fast chargingFull charge in up to two hours (current owner's guide); What Hi-Fi reports 15 minutes provides 2.5 hours of wireless listening15 minutes gives up to 4 hours (Bose UK FAQ; Bose UK's comparison table says 2.5 hours); full charge in up to 2.5 hours (owner's guide and spec table; the FAQ says 2 hours)
Design
Weight–236 g
Bluetooth4.15.1
Two devices at onceYesYes
Headphone cableYesYes
ControlsPower/Bluetooth slider, volume buttons and multi-function button on the right earcup; left Action button can control noise cancellation; multi-function button accesses the phone's voice controlPhysical buttons on the back of the ear cups; on the right, a Power/Bluetooth switch, volume up and down and a multi-function button (play, pause, skip, calls); on the left, an Action button for modes, customisable as a shortcut to Spotify Tap or battery level
MicrophonesBuilt-in microphone system for calls and voice assistants; maker's launch announcement describes voice pickup but does not publish a microphone countBuilt-in microphones for calls; the audio cable has an in-line microphone
Fit and ear tipsAround-ear cushions; headband folds and earcups rotate for the supplied carry caseAround-ear (circumaural) with removable protein leather cushions; steel in the headband; metal and plastic build; folds for the carry case
DimensionsSoundGuys reports 235.3 g and 180 × 170 × 81 mm; What Hi-Fi's table gives 240 g; no current maker headphone weight was verified, so the main weight field is left out–
Water resistance detailNo IP rating verified in the maker documents used; owner's guide says not to use near waterNo water resistance rating published
Works withBose Connect app for iOS and Android; two active Bluetooth devices, one audio stream at a time, with eight stored pairings; NFC pairing; SimpleSync with compatible Bose speakers and soundbars; Bluetooth 4.1 confirmed by TechRadar; Google Assistant is not available on iOS according to Bose's current article; current maker product page also lists Amazon Alexa, subject to country and language availabilityBose app (launched with Bose Music) for iOS and Android; multipoint connection to two devices; SimpleSync with Bose smart soundbars and speakers; Spotify Tap
ColoursBlack and Silver at launchBlack, White Smoke and limited-edition Cypress Green at launch
In the boxHeadphones, carry case, USB charging cable and analogue audio cable; micro-USB charging connector; 2.5 mm headphone to 3.5 mm device audio cable (TechRadar)Headphones, carry case, 3.5 mm to 2.5 mm audio cable with microphone, USB-C (A to C) cable (30 cm), safety sheet

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