Sony NC500D digital noise cancelling headphones explained...
sonyeurope
2009-02-25
Views 7
Real air passengers give their opinions on the world’s first digital noise cancelling headphones, and Sony experts explain the digital technology behind the MDR-NC500D headphones that can eliminate up to 99% of background noise, wherever you are. Find out more at: http://www.sony.co.uk/hub/headphones/block/4
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