The Lenovo 100 Wireless Combo Keyboard & Mouse is perfect for those looking for a wireless keyboard and mouse solution that just works. The mouse offers a clean and streamlined design that feels just right in the hand and the keyboard boasts an island key design that makes typing a joy. In addition, this combo has passed rigorous testing simulations to ensure maximum reliability. Compact mouse with 1000 DPI resolution; Ultra slim keyboard frame design; Water resistant keyboard; 1 nano USB receiver to control both keyboard and mouse;