Earphones; Adapter cables for headphones; Audio speakers; Computers and computer peripherals; Downloadable computer software to control and improve computer and audio equipment sound quality; Downloadable machine-readable computer programs for use in the reproduction of music; Downloadable mobile applications using artificial intelligence (AI) for home automation; Downloadable video and computer game programs; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and...