Siren SIR172 IV 2 GB MP3 Player Includes - Pro style earbuds Carrying case with arm band for convenience USB 2.0 cable 1 AAA battery Software installation disk and Quick Start Guide 2GB flash memory, storing up to approximately 500 MP3 or WMA music files Reverse Backlight 128x64 LCD Display Supports MP3, WMA and WMA DRM music and playlist files FM and voice recording