1) USB2.0 portable disk, without driver for Windows 2000 or above 2) Supports MP3, WMA, WMV, ASF, WAV, AMV 3) MP3 bit rate: 8 - 320Kbps 4) AMV video playing (AMV tools can convert and compress video format into AMV to replay) 5) Supporting video formats: Windows media files (WMV, WMA, ASF), MPEG7) recording format: WAV, ACT and recording file can be files (Mpg, Mpeg), Quick Time files (MOV, QT), AVI files (AVI) 6) Digital voice recording, max. 72-hour recording time for 256MB played back in computer 8) Built-in FM radio 9) A - B multiple repeat function 10) ID3, can display lyric synchronously when playing songs