Amazon.com: Earla Tec Replacement Audio Cable Cord Extension Wire for Bose QuietComfort QC25 QC35 Headphones with in line Mic Volume Control (Black) : Electronics
Amazon.com: QC45 Replacement Audio Cable Cord for Bose QC25, QC35, QuietComfort 25, QuietComfort 35, On-Ear 2,OE2,OE2i, NC700, Soundlink, SoundlinkII Headphones with Inline Mic/Remote Volume Control (Black) : Electronics