Navigate menus, Web pages and other areas of your PC using the Lenovo 400 mouse. Sleek and sculpted, this mouse is easy to use at the office and on the go. 1200 dpi movement resolution lets you move with precision. Optical sensor works well on most surfaces. 2.4GHz nano USB receiver lets you connect the mouse wirelessly to enabled computers. Works with Microsoft Windows 10, 8.1, 8 and 7 operating systems. 3 buttons and a scroll wheel help you makes navigation simple. Ergonomic design comfortably suits left- and right-handed users. AA battery lasts for up to 12 months. Battery life will vary depending on the product configuration, product model, applications loaded on the product, power management setting of the product, and the product features used by the customer. As with all batteries, the maximum capacity of this battery will decrease with time and usage. Backed by the manufacturer’s 1-year limited warranty.