Features: High-speed USB 2.0 compliant. Support memory card. Operation LED. Slim and pocket size. No driver required for Windows ME, 2000 & XP. Plag and play. Specifications: Interface: High-speed USB2.0 compliant. Card support: XD or SD/MMC and RS MMC or MS/MS PRO/MS DUO/CF. System requirement: One free USB port (USB2.0 specification recommended). Microsoft Windows 98SE ,ME,2000 AND X.P Card supports: XD SD/MMC/RS MMC/MIC SD MS/MS PRO /MS DUO CF/CFII/MD