YHC Replacement Connector 2.5mm to 3.5mm Cable Cord For Bose QuietComfort 3 QC 3 QC3 Headphones Earphone Headset Compatible for Bose QuietComfort 3 QC3 Headphones Perfect replacement for damage or lose one. Easy plug and play for greater convenience High Quality Replacement Audio CableDurable & flexible Cable is approximately 4.2 ft ,as a standard audio cable,for connecting QuietComfort 3 headphones to your audio sources