From the manufacturer
LESS NOISE, MORE FOCUS
Work in comfort with SilentTouch technology that reduces over 90% of noise while keeping the same typing and clicking feel.
No more drop-outs and lag thanks to a strong, reliable 2.4 GHz wireless connection with a 10 m range. Free up your desk with the included USB receiver—so tiny, it can stay in your computer.
GO LONGER BETWEEN CHANGING BATTERIES
A 36-month keyboard and 18-month mouse battery life—plus on/off switches—means you can go for months without the hassle of changing batteries.