smartglasses; smartglasses with functions for facial recognition, directionality, sound filtering, microphone and wireless audio transmission; audio amplifiers; devices and instruments for the transmission, reproduction and processing of sound, images and data, namely, smartglasses, microphones, cameras, optical sensors, motion sensors and audio sensors, namely, noise level sensors, and processors for voice optimization, noise suppression, voice from noise separation and beamforming; Hearing aids; electronic hearing aids; hearing aids built into glasses with smart functions; earplugs for parts of hearing aids; acoustic amplifiers, namely hearing aids for use in partial deafness
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