9 Personal audio systems, namely, wired and wireless fit-in-ear earphones, wired and wireless headphones, wired and wireless over-the-ear earphones, ear buds, interchangeable earphone and headphone cables; personal headphones, earphones and ear buds for use with sound transmitting systems; personal battery powered low power amplifiers; personal headsets with music storage capability for cellular or mobile phones, use with computers; accessories for personal audio systems, namely, cases for mp3 players, CD players, earphone tips, ear bud covers, headphone covers, replacement audio cables, replacement earphone tips, replacement ear bud covers, replacement headphone covers, in-ear monitors not for medical purposes; wired, wireless, and USB capable audio speakers, wired, wireless, and USB capable low power audio speakers, audio speaker enclosures, audio amplifiers, and audio mixers; sound systems comprising wired, wireless, and USB capable audio speakers, wired, wireless, and USB capable low power audio speakers, audio speaker enclosures, audio amplifiers, audio mixers, electronic software updates, namely, downloadable computer software and associated audio data files for updating the software embedded in audio entertainment systems