Archos 20 GB USB 2.0 MP3 Jukebox Recorder 20 GB hard drive, with up to 300 hours of music and/or data USB 2.0 interface, USB 1.1 compatible Record audio from any audio source Rechargeable NiMH batteries with 10 hours of playtime included Compatible with 98SE, Me, 2000, XP, or Mac OS 9.2 or X