We're the professional and original manufactory of portable music case speaker for MP3/MP4 player,IPOD, PSP,and all audio device, 3C Card--SD/MMC/USB 3in1,2.2GB/4GB/5GB/6GB Pendrive, HDD MP3/MP4 player, PMP, PVR,11M DV etc.
For more information about us, please visit our website: www dot yasonic dot com
If you have any queries, please feel free to contact me.