When you’re travelling, the MDR-NC31EM will effectively block out engine and other noises around you and leave you with the best of your music. High-comfort fit earbuds complement your listening experience and let you enjoy your favourite songs video and other entertainment for hours. Block out all the noise around you wherever you are and listen to your music in all its detail. This digital noise-cancelling headset will give you full-range audio with deep bass, a strong medium register and clear highs. Excellent audio for all types of music.