During our brief hands-on (or rather on-head) test at this week's Sony Christmas showcase event, we weren't wholly convinced by their noise-cancelling credentials. However, the Sony XB700 headphones certainly have the 'want one' factor in our book.

The technical details include a 50mm domed driver, 3-8,000Hz frequency response and 24Ohm impedence - the sort of stuff you want to know before handing over $199.