Simple Tech BONZAI USB 2.0 CARD READER (STI-USB2BONZAI) Pocket sized external USB 2.0 hard drive (0MB included - upgradeable via 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