NSEN Replacement Audio Cable for Bose QuietComfort 3 QC3 Headphones Compatible with QuietComfort 3 Acoustic Noise Cancelling headphones Single cable attaches to just one earcup for greater convenience Contoured, angled connector fits iPod, DVD and other portable players Length: Approximately 4.2 ft/130cm As a standard audio cable,for connecting QuietComfort 3