9 cell phone cases; speakers, earbuds, wireless bluetooth devices, amplifiers, computer application software for personal computers and mobile phones, namely, software for the tuning, processing, enhancement, manipulation, control, playing, and improvement of audio sound; software to control and improve audio equipment sound quality audio processing equipment, namely, audio amplifiers, adapters, tuners, frequency transformers, and circuit boards; earphones and headphones; downloadable software for the testing of a users' sensitivity to sounds at varying frequency bands; downloadable software for the diagnosis of hearing loss