Custom molded earpiece specifically designed for use with the Phonak Vokkero headset. Computerized 3D laser mapping technology ensures accuracy to <0.002" creating a perfect fit. Available in fully acrylic shell or our industry exclusive Fusion Soft shell. Fusion Soft combines a soft silicone earmold with a hard acrylic face plate for the most comfortable earpiece solution in the world. Choose from a fully occluded version for the highest level of isolation, or a vented option with multiple choices of inserts to customize how much ambient sound is allowed to pass through to your ear.