Experience the precision of optical technology. MicrosoftÆs« new Wheel Mouse Optical brings the precision and accuracy of Microsoft« IntelliEye« optics to a more affordable mouse. Accelerated scrolling reacts to how quickly the wheel is rolled, saving time and effort. The three buttons-including the wheel button-can be reprogrammed easily to perform popular commands with a single touch. Whether controlled with the right hand or left, users appreciate the way Wheel Mouse Optical is shaped and styled for comfort