Oticon and Bernafon O-Cap Microphone Protector – £11.95 – free shipping is standard. The O-Cap is a microphone cover for newer Oticon and Bernafon ITE and ITC hearing aids. The O-Cap is nano coated and is designed to prevent dirt and wax entering the microphone inlet. Your hearing aids must already have a microphone housing capable of accepting an O-Cap for you to be able to use this microphone protector. If the O-Cap becomes blocked it is a very simple process to change. Comes in a pack of 8, please select colour of O-Cap to match colour of your faceplate. For a useful video showing how to change the O-Cap click here Please note – we only ship to UK postal addresses.