SimpleTech STI-USBMD/256 256MB Bonzai USB Mini Drive Pocket sized external USB hard drive via removable 256MB SecureDigital card Use Bonzai to store your MP3 files, digital images, small software applications, ZIP files, or other data files Mass storage compliant - no drivers needed for Windows ME, XP, or Mac OS 8.6+ Appears as another hard drive for your computer Highest quality assurance rating available - ISO9001 Certified