Sony MDR-NC31EM

alaTest has collected and analyzed 267 user reviews of Sony MDR-NC31EM from Amazon.co.uk. The average user rating for this product is 3.7/5, compared to an average user rating of 4.0/5 for other Headphones on Amazon.co.uk. Views about the comfort and portability are generally positive. The price and noise isolation are also mentioned favorably. Reviews about the size and usability are different, and many are critical about the reliability.

alaTest has collected and analyzed 11 user reviews of Sony MDR-NC31EM from Amazon.com. The average user rating for this product is 4.5/5, compared to an average user rating of 3.9/5 for other Headphones on Amazon.com.

alaTest has collected and analyzed 8 user reviews of Sony MDR-NC31EM from Amazon.ca. The average user rating for this product is 3.3/5, compared to an average user rating of 4.2/5 for other Headphones on Amazon.ca.

The Sony MDR-NC31EM headphones are one of only a handful of in-ear models to feature noise-cancelling technology, although you'll need a Sony smartphone - such as the Xperia Z2 - to take advantage of it. Read our full review to find out if these...

I find these perfect for travelling and using on flights and public transport. Great little headphones, noise canceling is awesome and sound is very clear and no interference. It's great that they don't require batteries, so no issues with flat battery...

This noise cancelling headphones don't require a battery, like most active noise cancelling headsets. If you've ever had your noise cancelling headphones flick on in your bag to arrive at the airport with a flat battery, this is quite a handy feature....

Bought and sent back for refund the sound quality was appalling. Maybe they are not compatible with my iPod Nano but the hollow echoey sound and warbled voice output was unlistenable.