Bose QuietComfort 35 vs Bose QuietComfort 35 II

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QuietComfort 35 compared with QuietComfort 35 II

	BoseQuietComfort 35	BoseQuietComfort 35 II
Overview
Released
Released	June 2016	September 2017
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Bluetooth codecs
Bluetooth codecs	–	SBC and AAC
Back
Back	Closed	–
Noise cancelling detail
Noise cancelling detail	Noise cancellation can run without audio; microphones inside and outside the earcups feed two Bose processing chips	High, 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 guide
Audio features
Audio features	Volume-optimised EQ adjusts the balance with listening level	No custom equaliser in Bose Connect (SoundGuys); SBC and AAC codecs confirmed by SoundGuys
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 20 hours	Up to 20 hours
Battery life detail
Battery life detail	Up to 20 hours over Bluetooth or 40 hours with the audio cable and power on; passive wired audio remains available when the battery is depleted	Up 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 battery
Fast charging
Fast charging	–	Full charge in up to two hours (current owner's guide); What Hi-Fi reports 15 minutes provides 2.5 hours of wireless listening
Design
Bluetooth
Bluetooth	–	4.1
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Power/Bluetooth slider, volume and multi-function buttons on the right earcup; NFC touchpoint for pairing	Power/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 control
Microphones
Microphones	Built-in microphones for calls; the launch announcement describes a dual-microphone system for voice pickup	Built-in microphone system for calls and voice assistants; maker's launch announcement describes voice pickup but does not publish a microphone count
Fit and ear tips
Fit and ear tips	Around-ear cushions and folding headband with rotating earcups	Around-ear cushions; headband folds and earcups rotate for the supplied carry case
Dimensions
Dimensions	–	SoundGuys 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 detail
Water resistance detail	–	No IP rating verified in the maker documents used; owner's guide says not to use near water
Works with
Works with	Bose Connect app for iOS and Android; stores eight Bluetooth pairings and can connect to two devices at once, with one audio stream playing	Bose 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 availability
Colours
Colours	Black and Silver at launch; Midnight Blue was sold later	Black and Silver at launch
In the box
In the box	Headphones, carry case, USB charging cable, back-up audio cable and airline adapter	Headphones, 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)