Slim name card design with large logo space

Easy to put inside Wallet/Pocket/Bag/File Holder/Book, etc

Attractive easy button to play Mp3/WMA music

Bulit-in Li battery with long time performance

USB cable for charging and data tranfering

Product size: 85*54*4mm
Os Supports: Win XP, Win2000, Windows ME, LinuX 24 and above
MAC OS 90 AND Higher, Win98/Win98SE(with Driver)
Surface printing: Customized or Standard