Logitech Compact Wireless Mouse. A better mix of precision and comfort with designed-for-Web scrolling. Designed for how you use the Web, our newest micro-precise scrolling makes reading or scrolling easier. Plus, tilting the wheel left or right moves you backward or forward on the Web. Its feel-good, contoured shape and textured rubber grips help keep your hand happy even after long hours. With up to 18 months of battery life, it virtually eliminates the hassle of changing batteries. The tiny Logitech Unifying receiver stays in your laptop and lets you add compatible wireless devices to the same receiver. Plus, you'll enjoy precise clicking and pointing while navigating your favorite websites thanks to Logitech Advanced Tracking Technology. Designed for how you use the Web,* our newest micro-precise scrolling makes reading or scrolling easier. Plus, tilting the wheel moves you backward or forward on the Web. Based on the best-selling shape in the world, it keeps your hand happy even after long hours of use thanks to its contoured shape and textured rubber grips. With up to 18 months of battery life, it virtually eliminates the hassle of changing batteries. Smart sleep mode saves power, while an indicator light eliminates surprises.* * Battery life may vary based on user and computing conditions. The tiny Logitech® Unifying Nano-receiver stays in your laptop so it's less likely to be lost and gives you a reliable connection with virtually no delays or dropouts. Plus, you can easily add compatible wireless devices to the same receiver. At home, at school, at work- forget about tricky finger maneuvers with your laptop touchpad. Enjoy precise clicking and pointing while navigating your favorite websites thanks to Logitech® Advanced Optical Tracking.