The reliable wireless combo with the tiny Logitech Unifying nano-receiver.Long-range wirelessLogitech Advanced 2.4 GHz wireless gives you a fast, reliable connection up to 10 meters away with virtually no delays or dropouts.Carry-around mouseYou can take the sleek mouse anywhere you take your computer thanks to its comfortable size and the tiny nano-receiver.Extended battery lifeA 24-month keyboard and 12-month mouse battery life plus on/off switches mean you can go for months without the hassle of changing batteries.Advanced 2.4 GHz wirelessSo you can work or play in more places like your comfy couch the wireless connection virtually eliminates delays, dropouts and interference and gives you a range of up to 10 metersLogitech Unifying receiverThe tiny receiver stays in your laptop. Plus, you can easily add a compatible wireless mouse, keyboard or number pad without the hassle of multiple USB receivers.Eight hot keysThe things you do most are right at your fingertips with eight hot keys for instant access to your movies, music, Internet, e-mail, play/pause, volume and more.Full-size, spill-resistant keyboardThe full-size keyboard with number pad, directional keys, and nine F-keys is comfortable, convenient and built to last.