The Siemens Sirion 2p BTE (behind the ear) hearing aid is a smart control. We thanks to the cancellation of feedbacks and reduction of the noise technology and each model provides a complete hearing experience. There will be a longer hearing loss but Siemens offers a high range of aids that can bring back the clarity sound in addition to a better listening experience with its new features and with a variety of its new models that is easy to use and comfortable to wear by the customers.