Amazon.com: Replacement Audio Cable Extension Cord Line Compatible with for Bose QuietComfort QC15 QC 15 Headsets,3.5 to 3.5mm Headphones Cable Work on smartphone,iPhone,iPod,iPad or tablet or Android Phones : Electronics
Bose QC25 Adapter Cable (Adapter not included) - Encased
not for QC2) Genuine-Bose Quietcomfort 15 QC15 3.5mm Jack Audio Cable | eBay
Headphone 3.5mm Male to Male Audio Cable for QuietComfort QC15 QC2 Earphone - Walmart.com