MP3 player

I loaded hundreds of jazz songs onto my MP3 player for the long train journey.

(Chinese) 为了漫长的火车旅程，我在我的 MP3 播放器里存了几百首爵士乐。

Before smartphones became popular, many people used an iPod as their primary MP3 player.

(Chinese) 在智能手机普及之前，许多人使用 iPod 作为他们的主要 MP3 播放器。