Card MP3 Player, Customized mp3 memeber card 1.credit card shape, slim 2.MP3, WMA 3.1G-16Gcapacitity MP3 Card Player, Customized memeber card/ credit card/ bank ... /Book, etc4. Memory Capacity: Varies from 1GB to 8GB(optional)5. Support MP3/WMA audio formats6. USB 2.0 interface, high-rate ... new one.The shipping cost incurred half to half. Card MP3 Player