• 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