As £165 seemed like a price that might be too good to be true, I decided to see if anywhere was selling them at this price. They are on eBay for this price, with the seller claiming items are sent from the UK, when it appears that many people have commented they are actually sent from HK.
eGlobal do get a lot of good feedback, but there are some negative comments on other sites; particularly when it comes to warranty, or lack thereof.
Getting such headphone for 165 smackers is mighty tempting, but personally, it's not something I'd want to risk given where the items are actually located. Even if the product arrives fine with no problems, there is the chance of being stung by customs. Some people have said that they were, despite eGlobal saying they use a courier where no import duties are required to be paid.