Wireless mouse M525 in red/black, with its ergonomically shape design and soft rubber grips, mouse is built for comfort. You will get three years of battery life. It is so hassle free you might just forget it runs on batteries. With more grooves per millimeter, new scroll wheel gives you the ultimate navigation experience. It makes scrolling through long web pages faster and easier. Compact size makes it easy to take with you wherever you use your computer at home, at work or anywhere else. With the world’s longest-lasting battery, you can practically forget about changing batteries. Plus the smart sleep mode saves power, while an indicator light eliminates surprises. You pop the tiny unifying receiver in your notebook and leave it there. Can even add more devices. Plug it. Forget it. Add to it. You get the reliability of a cord with wireless convenience and freedom fast data transmission and virtually no delays or dropouts. Laser-grade precision tracks over the most challenging surfaces including smooth, glossy surfaces that are problematic for standard optical mice. All while using less power so you get longer battery life and more convenience. To make surfing your favorite websites easier, you can move the tilt wheel left or right to move backward or forward while you are surfing the Web.