LENOVO USB 2.0 ESSENTIAL 2GB MEM KEY The Lenovo USB 2.0 Essential Memory Key flash storage devices let you share data between any notebook or desktop system with a functional USB 1.1 or 2.0 port, without a diskette drive. The storage capacity can be used for your text, presentations, spreadsheets, multimedia files, or other storage needs. These memory keys are plug-and-play ready and do not require any software drivers for operation.