audio
background
case
cd
cd audio
cd player
compact
cover
data
device
digital
digital audio
disc
disc player
dvd
electronics
empty
entertainment
equipment
flat
historical
industry
innovation
innovative
isolated
laser
listen
media
metal
mono
mp3
music
music player
object
old
outdoor
playback
player
portable
portable cd player
portable music player
recording
retro
round
sound
stereo
storage
technical
technology
vintage