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Cellphone
a phone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network; a mobile phone. -
Music
vocal or instrumental sounds (or both) combined in such a way as to produce beauty of form, harmony, and expression of emotion.
"couples were dancing to the music" -
Radio
the transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages.
"cellular phones are linked by radio rather than wires" -
Television
a system for transmitting visual images and sound that are reproduced on screens, chiefly used to broadcast programs for entertainment, information, and education.
"the days before television" -
Computer
an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.