Product description
1) Super Portable: can be put into your pocket/ burse like a credit card
2) We can print YOUR FAVORITE PHOTO on the face specially for you
3) Supports many audio formats, such as MP3, WMA, WMV and WAV
4) Built-in polymer Lithium battery ,can play more than 5 hours
5) Firmware upgrade
6) Size:8.5*5.4*0.4cm