It`s a New PETRALEX! New Amplification Formula. Adjustable Noise Reduction Mode. Tuning control of relationship between frequency and loudness.

The Petralex® app is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s prescription. Audiometric test provided in the application can be used only for app adjustment. Testing results are not a substitute for professional audiology tests and cannot be considered as a basis for diagnosis.