MP3 player
US /ˌem.piː.ˈθriː ˌpleɪ.ər/
UK /ˌem.piː.ˈθriː ˌpleɪ.ər/

1.
MP3 player
a portable electronic device that plays digital audio files, especially those in the MP3 format
:
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She loaded her favorite songs onto her new MP3 player.
Ela carregou suas músicas favoritas em seu novo MP3 player.
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Before smartphones, MP3 players were very popular for listening to music on the go.
Antes dos smartphones, os MP3 players eram muito populares para ouvir música em movimento.