OverviewMk270 wireless combo brings together the convenience and comfort of a full-sized keyboard with a sculpted, compact mouse. with media keys, a number pad and precise cursor control to make your work a whole lot smoother. plus, the lag-free wireless makes setup easy and saves space on your desk. no wonder this is the world best selling combo.comfortable, full-sized, and efficient. complete with easy access to media controls, this keyboard lets you get more done in less time with eight media controls that let you instantly access to music, media, volume, and more.stay productive longer with the comfortable, contoured shape that follows the natural curve of your hand. this compact and wireless mouse is designed to be equally comfortable for both left- and right-handed users. plus, it´s smooth cursor control allows you easy navigation on most surfaces.forget about drop-outs and lag thanks to a strong, reliable 2.4 ghz wireless connection with a (10 m) 33 ft range6wireless range may vary due to environmental and computing conditions. free up your desk with a usb receiver—so tiny, it can stay in your computer.enjoy the familiar typing of mk270, the world’s best-selling combo, built with the same high quality and reliability standards that have made logitech the global leader for mice and keyboards.