Hearing aids and parts and accessories specially adapted for hearing aids, namely, covers for hearing aids, wax guard and tools, ear tips, anchors, sound tubes and connectors and earpieces; Acoustic and sound technical apparatus not for surgical or curative purposes, namely, amplifiers, audio speakers, microphones; wireless transmitters and receivers, and sound monitoring, control and detection apparatus in the nature of handheld sound streaming devices, and structural replacement parts for t...