With 11 million people in the UK suffering from hearing loss, you can see why there's such high demand for constant innovation and improvement in the hearing aid industry. It’s a bit of an oversimplification to think of hearing aids as devices that amplify sound. They certainly do that, but they have a wealth of other functions and features, such as directional focusing – which allows you to drown out background noise – and Bluetooth capabilities.
Read on to find out more.