Compact and space-saving design: The MK240 is a great choice for users who have limited desk space. The keyboard is compact and lightweight, and the mouse is also small and easy to carry around. Reliable 2.4 GHz wireless connection: The MK240 uses a 2.4 GHz wireless connection for a fast and reliable connection to your computer. The range is up to 10 meters, so you can use the keyboard and mouse from anywhere in your room. Long battery life: The MK240 has a long battery life of up to 36 months for the keyboard and 12 months for the mouse. This means you can use the keyboard and mouse for months without having to worry about running out of power. Spill-resistant design: The MK240 has a spill-resistant design, so you don't have to worry about damaging the keyboard or mouse if you accidentally spill something on them. Comfortable typing experience: The MK240 keyboard features comfortable deep-profile keys with a responsive key travel. This makes typing comfortable and enjoyable, even for extended periods of time. Easy to set up and use: The MK240 is very easy to set up and use. Simply plug the USB nano receiver into your computer and you're ready to go. Overall, the Logitech Desktop Nano Wireless Combo MK240 Black is a great value for the price. It is a reliable, affordable, and easy-to-use wireless keyboard and mouse combo that is perfect for everyday use.