ACP-EP Memory USB/4GB-2.0 4GB Hi-Speed USB 2.0 Mini Flash Drive USB 2.0 High Speed Interface (USB 1.1 Compatible) True Plug-and-Play connection for hot swap function Compatible with Windows 98/98SE/Me/2000/XP and Mac OS 9.0 or later LED indicates when drive is in use Great for storing and transferring your MP3's, digital photos, games and business files