How much would you spend on earphones? Is your budget £20, £50 or £100? How about £400? Well, if you want these Audeo PFE 232 earphones we've got in our lug-holes right now, that's how much you you'd have to fork out. It might seem like a lot, but...

A Swiss company called Phonak has dropped us word of a pair of earphones that it's just launched. They're called the PFEs, which stands for "perfect fit earphones" and to that end, they come with a set of foam tips that mould to the shape of your ear.

The...