noun
noise-canceling headphones
Headphones that actively reduce ambient noise using built-in microphones and electronic processing.
飛行機の中でノイズキャンセリングヘッドホンを使うと、エンジン音がかなり静かになる。
When you use noise-canceling headphones on a plane, the engine noise becomes much quieter.
General headphones without active noise cancellation.
Earphones; smaller and inserted into the ear canal, often without noise-canceling features.
Variant with a middle dot, sometimes used for clarity.
Borrowed from English 'noise-canceling headphones'.