The closed sleeve design of this accessory helps to provide a secure and comfortable fit for the Sony Cre-E10 Otc hearing aids. It helps to seal the ear canal, which can improve sound quality and reduce feedback or whistling noises.
The closed sleeve design of this accessory helps to provide a secure and comfortable fit for the Sony Cre-E10 Otc hearing aids. It helps to seal the ear canal, which can improve sound quality and reduce feedback or whistling noises.