I bought my Bose qc35 4-5 years ago used. Still running fine and I’d probably replace the battery if needed. I did go through a pair of ear pads but otherwise s

I bought my Bose qc35 4-5 years ago used. Still running fine and I’d probably replace the battery if needed. I did go through a pair of ear pads but otherwise still going strong. Before that I had some cheaper phones that failed at the interface to the headphone cable so it’s not like corded is immune to failure