Experience the comfort curve without the learning curve with MK550 Wireless Wave Keyboard and Mouse Combo from Logitech. It features a wave design with a constant curve layout and cushioned palm rest that guides hands into just the right position and conforms naturally to your fingers. Besides the mouse with soft rubber side grips and laser tracking that is smooth and precise so you can say goodbye to the frustrations of uncomfortable mice. Furthermore, the tiny Logitech Unifying receiver is small enough to stay in your computer and connects both the included mouse and keyboard. Plus, you can easily add another compatible mouse, keyboard, or number pad- without the hassle with multiple USB receivers.