The MDR-NC300D from Sony is the worlds first in-ear headphone that uses digital noise cancelling to cut distracting noise.The result is crystal-clear, detail packed music with an extraordinary 98.4% reduction in ambient noise.
The headphones vertical in-ear design is designed for maximum comfort during extended listening sessions. Its supplied with 7 sizes of soft silicone earbud for a perfect fit.

For more information please go to:
http://presscentre.sony.eu/content/detail.aspx?NewsAreaId=2&ReleaseID=4754

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