?Better Sound Performance: High fidelity, noise isolation.Enjoy music freely on airplan.improve the original sound quality. ?Replacement for bose headphone adapter is easy to store, a perfect replacement adapter for your headphone, make your bose headphone completely new. ?Airplane headphone adapter Plugs is 3.5mm Jack, Black color. Gold-plated 3.5mm Connector with fold feature. ?Not Only for Bose Headphones Airline Adapter: Workable for all devices with standard dual or single output 3.5mm audio headphone jack plugs. ?Headphones airplane adapter compatible with Bose 700 QuietComfort QC25 QC35II QC35 QC45 QC2 QC3 QC15 QC20 QC20i NC700 AE2 AE2W SoundLink SoundLinkII headphones.