Optimum Teco guides - Bose QC35 noise cancelling was gimped by recent software update, claim owners Both generations of Bose's QuietComfort 35 headphones have long been some of the most popular noise-cancelling
How to Use Bose QuietComfort 35 Headphones II - Support.com TechSolutions
Bose QC35: update did not interrupt noise cancellation ⋆ Somag News