Electronic tools for use in auditory refinement, namely, handheld electronic units for adjusting sound levels; portable sound amplification devices for enhancing sound for impaired or normal hearing users, electrical components for speaker units for adjusting sound levels, namely, amplifiers; computer hardware; computer hardware, namely, integrated circuits and circuit boards, computer peripherals, personal digital assistants; communications hardware and telecommunications hardware, namely, telephones, cellular telephones; computer software for audio refinement, namely, processing, modification, transmission, reception and modulation of sounds and audio content
Electrical and Scientific Apparatus