Bose QuietComfort QC 35 I QC35 1 Button Flex Replacement - Part
Genuine Bose QC35 I & II Button Flex part. This part has been tested and working properly.
Fits Model: QC35 I & II
Part Number: 754736-0040
If this repair seems to difficult you can always send your broken Bose QC35 headphones to the pro's at JoesGE.