portable sound systems [1]![click to hear](/images/speaker.jpg)
Small self-contained sound reproduction equipment that can be carried easily from one place to another.
portable compact disc player ![click to hear](/images/speaker.jpg)
Portable CD player.
earphones ![click to hear](/images/speaker.jpg)
Small speakers placed directly over the ears to listen to sounds from the player.
display ![click to hear](/images/speaker.jpg)
Liquid crystal display showing instructions for setting or operating the player.
portable digital audio player ![click to hear](/images/speaker.jpg)
Portable player for digital music files.
clock radio ![click to hear](/images/speaker.jpg)
Portable radio with a built-in alarm clock whose wake-up mechanism is a buzzer or a radio station setting.