Features:

• support format: mp3, wma, wav
• Water resistant
• Dimension: 43x15x8mm
• USB2.0 flash disk, 256MB/512MB/1GB/2GB built in flash memory
• Long time playback(up to 8 hours)
• Rechargeable Lithium Battery through USB
• After sales service:1 year warranty
• Approval: CE, FCC
• No driver needed under Windows ME, 2000,XP or above(except win98)