CLLMEASY Easy Mouse With this optical mouse you have a comfortable tool for your computer. Scroll wheel for extremely smooth scrolling. Thanks to the ergonomic design, the mouse can be used for both right and left handed users. Included is a USB PS/2 plug to connect the mouse to a USB and PS/2 port. Suitable for both right and left handed users Incl. USB to PS/2 plug Optical USB desktop mouse Incl. rubber coating Specifications Minimum system requirements Computer operating system Windows 2000; Windows XP; Windows Vista; Windows 7 Sensor type optical Connections / interfaces PC or laptop with USB port; PS/2 port; USB or PS/2 port Features Left/ Right handed Both Mouse buttons 3 Scroll wheel Yes Dpi settings 800 USB powered Yes Connections / interfaces USB powered Yes USB USB Dimensions Length (in mm) 115 Width (in mm) 56 Height (in mm) 34 Warranty Warranty in years 2