MP4 player
MP4 play‧er /ˌem piː ˈfɔː ˌpleɪə $ -ˈfɔːr ˌpleɪər/
noun [countable]
a machine or computer program that plays music or videos that have been downloaded from the Internet
MP4 play‧er /ˌem piː ˈfɔː ˌpleɪə $ -ˈfɔːr ˌpleɪər/
noun [countable]a machine or computer program that plays music or videos that have been downloaded from the Internet