Logitech M325 Wireless Mouse W/ Unifying Receiver - Dark Silver

A precision wheel for the web Micro-precise scrolling is designed for how you use the web: Spin the wheel to fly through long web pages Tilt left or right to move backward or forward on the web Switch instantly to line-by-line scrolling   Feel-good design Contoured shape and textured rubber grips keep your hand comfortable, even after long hours of use Based on the best-selling mouse shape in the world   Extra-long battery life Go for up to 18 months without a battery change Smart sleep mode saves power Power indicator light eliminates surprises System requirements: Windows 7 Windows Vista Windows XP Mac OS X 10.5 or later  Package Includes: Logitech M325 Wireless Mouse Logitech USB Unifying receiver