MPIO FL100 256MB, SILVER, USB1.1, MP3, WMA, MPEG-2, MPEG-2.5 and ASF Audio Playback, portable USB Mass Storage via USB Cable, 256MB Flash Memory, 4.5Mbps File transfer rate, Smart Media (SMC)/Multi Media Card (MMC) Slot for Memory expansion, Full graphic 3 Line LCD with Blue LED Backlight, File formats: MP3 (8~320 Kbps), MPEG-2, MPEG-2.5 WMA (5~192 Kbps) and ASF, File information MP3 file: ID3 tag Version 1, Version 2 are supported WMA: Tag Informations, Microsoft DRM are supported, 7 EQ Modes (Flat, Pop, Jazz, Classic, Vocal, Dynamic Bass) and Custom 5 Band User EQ settings, Earphone output 12mW, Signal-to-noise ratio 85dB (with JIS-A filter), FM output 10mW, Signal-to-noise ratio of FM radio 45dB, Multi-language support, Supported OS: Windows 98/2000/ME/XP MacOS: MacOS X (10.1), Powered by AAA battery, Package includes: User's Guide, 16 PI High Efficiency Earbuds, CD-ROM with MPIO Manager2 and RealOne player, AAA battery, USB Cable, Carrying Case and Hand Strap