A photo of the Phonak Audeo Marvel 312 M50 hearing aid in the middle of a white surface

The Phonak Audeo Marvel 312 M50 is a made for all phones hearing aid that connects directly to any mobile phone. The hearing technology within the device streams the sounds to the hearing aids in both ears. The device also has the improved AutoSense OS 3.0 adaptive environmental system and an electronically accessed app for remote aftercare services.