Auawak Rapoo X220 2.4G Multi-Media Mini Wireless Keyboard and Mouse Combo for Surface Android Mac and Laptops Desktops PC - Black RAPOO 2.4G wireless transmission technology brings you 10-meter working range wireless connection without any interference and enables you to enjoy the freedom and comfort of wirelessness. You'll enjoy responsive and smooth cursor control with the 1000 DPI high-definition invisible tracking engine. Spill-resistant keyboard design. No more worries about a defect keyboard as a result of accidental spills With Rapoo's latest energy saving technology and power switch, you can use your mouse without power interruption for up to 12 months. Fn key gives you quick access to media player,homepage,volume adjustment and etc.