Bose QuietComfort 35 II review | What Hi-Fi?
www.whathifi.com › us › boseNov 05, 2021 · Bose QuietComfort 35 II tech specs. Bluetooth Yes. Noise-cancelling Yes. Battery life 20 hours (BT and ANC); 40 hours (wired and ANC) Weight 240g. Finishes 2. The QuietComfort 35 II certainly live up to the 'comfort' part of their name. At 310g, they are significantly lighter than the B&W PX and have a softer grip than Sony’s headphones.