Brand: Lenovo. MPN: GX30K79402. The Lenovo 300 Wireless Compact Mouse is designed to offer the best balance between mobility and function. The mouse features a 1000 dpi sensor 3 buttons and a unique ergonomic contour to give you the freedom to create whenever and wherever. It boasts a 12-month battery life from a single AA battery and 10 million clicks lifecycle buttons to offer Super portable design.