Universal Card Reader High speed USB 2.0 Ultra-Compact design for portability Compatible with SmartMedia, xD, Secure Digital, MMC, MemoryStick, MS Pro Duo, CompactFlash and MicroDrive cards USB plug-and-play, no additional drivers required Works with Windows 95 98 ME 2000 XP and Vista or Mac OS 9.1, 10.2 (Jaguar, 10.3 (Panther, 10.4 (Tiger, 10.5 (Leopard