Quality of Life With Bone Conduction Hearing Device

Inclusion Criteria: * Unilateral and/or bilateral conductive hearing loss (CHL) * Conductive hearing loss \>10 decibel on average * Subjective benefit from the device * Subjects aged 13 years or older * Capable of the German language * Willingness and ability to perform all tests required for the study * Signed, and dated informed consent before the start of any study specific procedure Exclusion Criteria: * Pregnancy or breastfeeding * Patient uses a hearing aid or plans to acquire a hearing aid * Patient is intolerant of the materials as described by Manufacturer * Patient presents with a skin or scalp condition that may preclude the attachment of the adhesive adapter. * Patient cannot perform the audiological tests or is unable to fill out the questionnaires. * Patient presents with retrocochlear, or central auditory disorder. * any physical, psychological, or emotional disorder that would interfere with the ability to perform on test and rehabilitation procedures