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

'acoust':7 'adapt':31,50 'assist':15 'audio':1,10,38 'cellular':39 'clariti':8 'cognit':20 'communic':3 'cord':47 'cordless':49 'devic':4 'headphon':32 'headset':34 'hear':25 'impair':21 'improv':6 'internet':42 'level':26 'name':27 'person':16 'preserv':24 'protocol':43 'recept':13 'sensori':18 'telecommun':45 'telephon':51 'transmiss':11 'use':36 'voic':40 'wire':28 'wireless':30

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