This Rapoo X1800s keyboard comes with a reliable 2.4hz wireless connection of up to 10m working range. Enjoy an accurate and smooth cursor control with the DPI high-definition invisible tracking engine on the mouse. Fn keys give you quick access to functions like media player, homepage, volume adjustment and more. It comes with a plug-and-forget Nano receiver that's so small and unobtrusive that you can plug in into a USB-port and forget about it. It also has a long battery life that you can use your keyboard and mouse for 12 months without power interruption.