Detailed Product Description1)Slim credit card design with large logo space
2)Easy to put in pocket,
Wallet, file holder, book
3)
USB 2.0 interface
4)Attractive easy button to play music
5)Support
MP3/WMA formats
6)EQ modes: Normal, jazz, classical, rock, pop, bass
7)Built-in Li battery with long time performance(10 hours)
8)USB cable for charging and data transfer
9)Product size: 85*54*3MM