I typically keep two pairs of headphones - Plantronics BackBeat Fit wireless headphones for workouts and trusty wired Bose QC20s for travel and conference calls. About four months before iPhone 7 was announced, the left earphone in my beloved Bose QC20i headphones quit working. I was quite sad - my Bose QuietComforts were amazing. We had done so much together including traveling literally hundreds of thousands of miles across multiple countries. I mourned the loss of great sound, superior comfort, …