GO-ON NC-010 Foldable Noise-Cancelling Headphones (Black) Noise Canceling Headphone, Up to 80% external noise cancellation, actively reduce unwanted ambient noise. Dual-use capability with or without noise cancellation. Flat foldable design and ear conscious design for premium wearing comfort. Supplied plug adaptors to be used in airplane. Built-in monitor switch: To hear surrounding sound without taking off the headphones. Detachable stereo audio cable. Good sound quality and noise canceling performance. With a carry box, it is easy for you to take it anywhere. Package Contents: 1x Carry Case, 1x Dual Plug Adaptor(for in-flight use), 1x Audio Connect Line