FINIS XtreaMP3 Waterproof MP3 Player Durable, completely waterproof, shock-resistant MP3 player offers 1GB of memory and high-quality stereo sound Attaches to comfortable, flexible neoprene arm strap that remains firmly in place; specialized waterproof ear buds secure tightly for clear listening in extreme environments Stores approximately 250 songs, or 15 hours of music; built-in USB plug to upload music and charge quickly without additional attachments; rechargeable lithium-ion battery provides over eight hours of playback Includes XtreaMP3 player, waterproof ear buds, neoprene arm strap, and instruction manual System requirements: Windows 98SE or newer, Intel Pentium II 233 MHz or equivalent, 256 MB RAM, 35 MB available hard drive space, and USB port; internet connection recommended