Features:100% brand new and high quality.The aviation special socket has high performance, high quality and strong durability.The sound quality can be transmitted nondestructive.The port of the converter is 3.5mm round and suitable.It is so light and small for you to carry.Suitable for Bose full range headphones, such as for Bose QC15 QC QC25 QC35, etc.Specifications: Item Type: Airplane 3.5MM Jack Headset AdaptersMaterial: PlasticCable color: BlackCable Length:42.2cm/1.570.87ft (Approx.)Package includes:1 X 3.5MM Jack Headset AdapterNote: 1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you