... 2G/4G/8G• Support MP3 audio formats• With USB 2.0 port• Built-in rechargeable Lithium battery• Capacity: 2GB to 8GB• System ... AMV), support MPV, MPEG I/II layer 2/3, 8-448Kbps • USB flash disk, 128MB/256MB/512MB/1GB/2GB/4GB/8GB built ... A-B, normal, repeat all, random • USB 2.0 specification supporting • Rechargeable lithium battery through USB/AC charger • No driver needed under Windows ...