Logitech MK550 Wireless Keyboard and Mouse Combo for $39.98. Shipping is free on orders over $45. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. It features wave-design ergonomic keyboard with cushioned palm rest. up to 3 years of battery life for the keyboard and 2 years for the mouse, and 2.4 GHz wireless connection. Most places have it for about $60.