Semiconductor memory devices, namely, integrated circuits, electronic circuit cards, blank memory card cartridges; semiconductor devices, namely, flash memory cards, memory card cartridges, adapters, converters, memory card controllers, media players, memory card readers, storage modules in the nature of blank memory cards, and computer peripherals; portable audio and video players and recorders which use semiconductor devices as recording media; computer operating programs for semiconductor memory devices; and prerecorded flash memory cards featuring digital multimedia content, namely, music, musical videos, related film clips, information about music and musicians and ring tones; accessory products compatible with digital audio and video players which may leverage a physical electrical and mechanical connection, namely, portable and non-portable docking stations in the nature of adapters to connect media players to amplified speakers, radios incorporating clocks, fm radio transmitters; car stereo docking stations in the nature of adapters to connect media players to car stereos, wireless and wired headsets for use with digital audio and video players, cases for digital audio and video players, audio speakers, battery chargers, adapters for attaching digital audio and video players to personal computers and peripherals, connection cables, signal splitters for electronic apparatus, and wireless dongles in the nature of wireless network adapters for electronic apparatus