Experience the comfort curve without the learning curve with MK550 Wireless Wave Keyboard and Mouse Combo from Logitech. It features wave design with constant curve layout and cushioned palm rest guides hands into just the right position and conforms naturally to your fingers.Experience the comfort curve without the learning curve with MK550 Wireless Wave Keyboard and Mouse Combo from Logitech. It features wave design with constant curve layout and cushioned palm rest guides hands into just the right position and conforms naturally to your fingers.