Memory card MP3 player ;
Without built-in flash memory,support Micro SD/TF card directly;
Card reader MP3 (supports many audio formats,such as MP3,WMA,WMV and WAV);
Can be used as memory card reader too;
With built-in polymer Lithium battery
Card reader MP3 (supports many audio formats,such as MP3,WMA,WMV and WAV);
Can be used as memory card reader too;
With built-in polymer Lithium battery