16 K Onboard Memory Stores custom macros. Perform them at any time even no Oscar software is needed. Speed Mouse Button Response Time up to 3ms Respond much faster than your opponents during game play. (Regular mouse: 16ms) Oscar Classic Macros Platform Upload or download your favorite macro commands via X7 website www.a4tech.com. High-Quality Cloth Surface High-quality cloth surface promotes smooth mouse gliding and enhanced precision. Non-Slip Rubber Base Skidproof base assures stability and staying in place on your desktop. Easy to Move and Stop Made of pliable material, the pad is easy to roll up or expand.