This is your main file that includes the entire database and that is saved to your hard-drive or Udisk .
这是你的主要库存,它包括全部的数据,而且它是保存在硬盘和U盘上的。
This item can insert SD card or Udisk , you may listening music , story and so on , so it is your best music friends .
此产品可直接读SD卡与U盘,可听歌、读英语、听故事等,此音箱是您最佳的音乐伴侣。