Bose replaced an out of warranty QC35 with QC45 with no fuss : r/headphones
Bose QuietComfort Earbuds II True Wireless Noise Cancelling In-Ear Headphones Triple Black 870730-0010 - Best Buy
Bose QuietComfort 35 Series II Wireless Noise-Canceling Headphones (Rose Gold) (789564-0050) + AOM Bundle: International Version (1 Year AOM Warranty )