X1800 is a wireless combo which has a compact keyboard and an optical mouse. It adopts 2.4GHz wireless technology providing for up to 10m working range. With Rapoo’s latest energy saving technology, you can use your keyboard for up to 12 months and the mouse for 9 months without power interruption. And you don’t have to worry about the keyboard stop working with accidental spills thanks to the Spill-resistant design.