Don't leave your music behind when you walk away from your stereo. Motorola's m500 Digital Audio Player lets you take up to 1,250 of your favorite songs* -- more than 80 hours of music. If that's not enough music, you can also listen to the radio, thanks to a built-in FM tuner. It's replaceable and rechargeable lithium-ion battery gives you more than 25 hours of listening enjoyment before you ever need to recharge. The m500 is simple to use, even if you're new to digital music. The player supports three of the most popular digital formats: MP3, WMA and Audible audio formats, so you can choose the one that's right for you. Plus you get Motorola's Music Manager Software which makes it easy to organize and store music on your PC or Mac, create your own playlists, and download them to your player. Convenience Features Replaceable/rechargeable lithium-ion battery Easy-to-use thumbstick controls High-resolution backlight display Versatility Features Plays MP3, WMA and Audible audio formats Integrated FM tuner to listen to your favorite radio stations FM record capability Clock and stopwatch Compatible with USB 2.0 and USB 1.1 Performance Features Holds approximately 1,250 songs - 5GB* More than 25 hours of continuous playback Customizable equalizer settings System Requirements MAC Macintosh® with USB 1.1 or 2.0 port CD-ROM drive Mac OS X v10.3 Power PC G3 or above 64MB RAM minimum 35MB available hard drive space WINDOWS PC with USB 1.1 or 2.0 port CD-ROM drive Windows® 98SE, 2000, Me, XP Home or Professional Intel Pentium II 233 MHz or above 64MB RAM minimum 35MB available hard drive space Package Contents: Motorola Digital Audio Player Earbuds Power Adapter/Charger Mini USB Cable Lithium-Ion Rechargeable Battery Music Pack - 20 music hits preloaded on your player Belt Clip iTips Smart Connector Quick Start Guide Installation CD with User Manual Shipping Weight: 4 lb