What is an MP3 player?
什麼是MP3播放器？
An MP3 player is a small device with an SD card that could save and play music. The well-known MP3 players are iPod, Walkman, Fiio, etc. The price is between $60 to $1,000+.
MP3播放器是帶有SD卡的小型設備，可以保存和播放音樂。 著名的MP3播放器是iPod，Walkman，Fiio等。價格在$ 60到$ 1,000 +之間。