Danish manufacturer GN Resound have launched a new type of hearing device called be by Resound which has created a brand new category called Invisible Open Technology.

The body of the device is small enough to be fitted completely into the ear canal, whilst leaving enough of a gap around its edges for most wearers to feel as though their ear canal's open.

Today's digital hearing aids come in all sorts of shapes and sizes. So whether you're looking for an ultra-discreet solution that no-one will notice, or you need something that is practical and easy to handle, your choice has never been greater.

In this article we look at the different styles of hearing aids and give you some tips and on choosing a model to suit you.

We also look at the advantages and disadvantages of each style.