Esperience the next generation Genius keyboard mouse combo SlimStar i8050 which includes a deluxe keycap design a glossy finish. The keycaps are designed with smooth rounded edges that provide comfortable typing experience. Its mirror-like top cover also provides a more elegant fashion style. It has twelve functions keys which provide media internet and several unique functions. Pressing FN+F12 to instantly acess Facebook. Additionally SlimStar i8050 has three Window 8 function keys that allow you to switch between applications close existing application and search. Aside from its whisper quiet keycap design it is also equipped with low power consumption infrared sensor mouse up to 18 months battery life. One AAA for keyboard and one AA for mouse included.