Get the durability that the road demands with this compact; shock-resistant design. Enjoy the conveniences of a full-size mouse; including a scroll wheel and optical accuracy. Package ContentsLogitech Mini Optical Mouse PlusInstallation guidePrecision-Say goodbye to touchpad frustration.Optical Engine: Enjoy accuracy with a familiar feel預nd without moving parts to clean.Scroll Wheel: Page through documents with ease.Comfort-Take it easy.Light; Durable Design: Carry it anywhere and use it with natural ease.Cord Management: Wind your cord neatly into your mouse for easy packing.System RequirementsPC・Windows 98; 2000; Me; XP; or Vista・Available USB port MacMac OS X+Available USB port3-year manufacturer's guaranteeFor Any Query Please Contact Bizgram Asia Pte Ltd +65-87776955