USB flash drive with retractable USB connector offers a sleek, convenient, one piece design. USB flash drive plugs directly into USB 2.0 and 1.1 ports. Preloaded with Virtual Expander to store three times as much data. Files are automatically compressed and decompressed when dragged to and from the USB flash drive. Compatible with Windows 98, 2000, ME, XP and MAC OS 9 and higher.