Used 2.5mm To 3.5mm Aux Headphones Cable 1.2m Black For Bose Quietcomfort Qc25 Qc35 - Protective Sleeve - AliExpress
Amazon.com: GEEKRIA Audio Cable with Mic Compatible with Bose QuietComfort SE, QC 45, QC 35 Series II, QC 35, QC 25 Cable, 2.5mm Replacement Stereo Cord with Inline Microphone (4 ft / 1.2 m) : Electronics