Noise-cancelling headphone

A noise-cancelling headphone comprising:

• a first ear piece;
• a second ear piece;
• and
• a connection member connecting the first ear piece and the second ear piece, wherein
• the first ear piece comprises:
• a first housing unit having a first interior and a first exterior;
• a first driver unit attached to the first housing unit;
• and
• a first microphone collecting external sounds at the first exterior of the first housing unit,
• wherein the first housing unit comprises:
• an accommodating portion accommodating the first microphone;
• and
• a sound collecting hole establishing communication between the accommodating portion and the exterior of the first housing unit,
• wherein the accommodating portion is disposed in an upper portion of the first housing unit of the noise-cancelling headphone when worn by a user, and
• wherein the sound collecting hole is open toward an upper side of the first housing unit of the noise-cancelling headphone when worn by the user, and is disposed below an underside of the connection member of the noise-cancelling headphone when worn by the user.