The OEM Verbatim Wireless Mini Travel Mouse in purple is designed for portability and convenience. It features a 1600 dpi movement resolution, making it ideal for users on the go, especially for notebook and netbook users. Utilizing 2.4 GHz wireless technology, this mouse ensures reliable performance without delays in cursor movement. It is compatible with Windows 7, Vista, and XP operating systems and easily plugs into a USB port. A single AAA battery is included for immediate use.