EXTREME

Audio and communication devices for improving acoustic clarity and audio transmission and reception for assisting persons with sensory or cognitive impairments and to preserve hearing levels, namely, wired and wireless adapted headphones and headsets for use in audio, cellular voice over internet protocol and telecommunications; and corded and cordless adapted telephones

Assistive listening device for the hearing impaired; Electric hearing aids; Electrical hearing aids; Electrically operated hearing aids; Hearing aids; Hearing aids for the deaf; Wireless transmitters and receivers for use with hearing aids