About this itemTake out the mouse, insert the USB, and click away. Your connection stays strong with the 2.4 GHz USB receiver. And when you’re done, dock the receiver in the mouse itselfLong hours are no match for this well-designed mouse. The Lenovo 400 Wireless Mouse is ergonomically sculpted to keep you comfortable even on days you’re burning the midnight oilThe Lenovo 400 Wireless Mouse meets our rigorous test standards and is a sure bet, with a battery life of up to 12 months and left/right buttons that last up to 8 million clicksSupports Operating Systems above Windows 7Take out the mouse, insert the USB, and click away. Your connection stays strong with the 2.4 GHz USB receiver. And when you’re done, dock the receiver in the mouse itselfNote : In case of Wireless mouse, the USB receiver will be provided inside or along with the mouseLong hours are no match for this well-designed mouse. The Lenovo 400 Wireless Mouse is ergonomically sculpted to keep you comfortable even on days you’re burning the midnight oilBrandLenovoColourBlackConnectivity TechnologyWirelessSpecial FeatureWirelessMovement Detection TechnologyOptical