Enhance your productivity with the wireless convenience of the Lenovo Essential Wireless Combo Keyboard and Mouse. Connect both keyboard and mouse using only one nano USB wireless receiver without hassle or clutter. The slim 2.5 zones wireless keyboard has a responsive key feeling and offers a premium typing experience. The standard size wireless mouse compliments the keyboard in design and functionality. One nano USB receiver for both keyboard and mouse; 2.5-zone keyboard layout with dedicated numeric keypad; Adjustable tilt leg and spill-resistant keyboard design; Full-size ambidextrous mouse; Optical sensor and 1200 DPI resolution; Up to 12 months battery life (may vary based on usage)