Comparative Study of Non-surgical Hearing Devices Based on Bone Conduction

Inclusion Criteria: 1. Signed Informed Consent Form 2. Adults (from 18 to 84 years) 3. Pure tone average (PTA) bone conduction (BC) threshold (measured at 0.5, 1, 2 and 3 kHz) less than 25 dB HL on both ears 4. Fluent in Swedish to be able to read and understand patient information and informed consent process Exclusion Criteria: 1. Participation in another clinical investigation which might cause interference with study participation. 2. Participants who do not have the ability or are unwilling to follow investigational procedures/requirements, e.g. to complete questionnaires, according to investigator's discretion.