An upright image of the Phonak Audeo Marvel 312 M30 hearing aid on a white surface

The Audeo Marvel 312 M30 hearing aid from Phonak has the essential technology system such as the adaptive environmental AutoSense OS 3.0 and the e-solutions app for aftercare services. The device is powered by Bluetooth Classics that allows connectivity with iPhone and Apple products as well as Android smartphones for a hands-free phone call and music streaming in both ears.