The Belkin PS/2 Mouse provides an ideal, simple solution. The software provides you with multiple programming options designed to enhance your total computing experience. Features include: a universal design that is comfortable for left and right hand users, 3 micro-switch buttons, and a programmable center button. The Belkin PS/2 Mouse is PS/2 compatible.PRODUCT FEATURES: An easy-to-use mouse for your PC; Designed for right- or left-handed users; Programmable center button to perform frequently used commands; PS/2 compatible.