The Phonak Audeo Marvel Hearing Aids is a line of receiver-in-the-canal hearing aids with powerful connectivity features, rechargeable capabilities and more advanced programs. Phonak released the first two product of the Marvel devices range late 2018, namely Phonak Audeo Marvel 312 and the Phonak Audeo Marvel Rechargeable. The brand released the telecoil featured product within the range April of 2019; Phonak Audeo Marvel 312 Telecoil and the Phonak Audeo Marvel 13 Telecoil. All of these hearing aids come in four levels of technology, M30 Essential, M50 Standard, M70 Advanced and M90 Premium. These devices all have Direct Bluetooth connectivity with both iPhone and Apple devices as well as Android smartphones and compatible Bluetooth technology.