Apparatus for recording of sound; Apparatus for transmission of sound; Apparatus for reproduction of sound; speakers; wireless headsets for smartphones; In-ear headphones; headphones; wireless transmitters and receivers; adapters for wireless network access; Apparatus for wireless transmission of acoustic information; audio amplifiers; sound amplifiers

'access':34 'acoust':40 'adapt':30 'amplifi':43,45 'apparatus':1,6,11,35 'audio':42 'ear':23 'headphon':24,25 'headset':18 'in-ear':21 'inform':41 'network':33 'receiv':29 'record':3 'reproduct':13 'smartphon':20 'sound':5,10,15,44 'speaker':16 'transmiss':8,38 'transmitt':27 'wireless':17,26,32,37

VOICE SHIELD

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