Washable: The domes are designed to be water resistant and can be easily washed to ensure optimal hygiene and ear health, making them suitable for daily use. Noise Reduction: These open ear domes are designed to enhance hearing and reduce noise interference, providing a clear sound experience. Safe: The design of the sound amplifier domes ensures that users can wear them for extended periods without risk of ear damage or discomfort. Comfortable: Made from soft silicone material, the sound amplifier domes provide a comfortable fit that can be worn for long periods without irritation. Removable: The sound amplifier domes are designed for easy removal and replacement, allowing users to adjust the fit as needed. Item Type: Hearing Device Domes Material: Silicone Function: Black open domes are sound amplifier accessories, mainly used for Phonak open sound aids. The design is ideal for individuals who prefer open ear domes and require improved hearing assistance. 10 x Sound Amplifier Domes