Audio Service Hörerfilter HF3 HF4 Black Thickness:Blue Up to half a meter

Up to half a meter under water

Thanks to the headphone jack

Oticon Geno

Optional additional microphone: Widex Remote Mic

2 and 3) from firmware 5

Audio Service Hörerfilter HF3 HF4 Black Thickness:Blue Up to half a meterAudio Service HF3 and HF4 Wax Guards for hearing aids HF Black Wax Guard is the premium Wax Guard system with self cleaning effect for hearing aids. Whether you're playing sports or walking on the beach, you don't want to miss out on good hearing. Actually, hearing aids are already quite outdoor specialists, but they also need a little care. The HF Wax Guards sit directly in front of the receiver outlet and prevent dust or moisture from getting into