Precise Battery-Saving Mousing Surface improves tracking of optical mouse while extending the battery life of wireless mouse up to 75 percent. 3M Precise Optical Mousing Surface is designed to optimize light reflectivity and contrast to improve the tracking of your optical mouse. The valleys in the microtextured surface catch dirt while your mouse glides on top of the peaks for improved high speed traction. Repositionable adhesive sticks to desks or stows on back of notebooks.