Logitech MK275

Reliable 2.4 GHz wireless connection: A tiny Logitech nano-receiver connects both the keyboard and mouse using just one USB port Long battery life: Get up to 24 months of keyboard power and 12 months of mouse power without changing batteries Eight hot keys: Instantly access your movies, music, the Internet, e-mail, volume, play/pause and more All-in-one setup: Includes a full-size keyboard with quiet, low-profile keys plus a portable contoured mouse for comfortable control Universal Compatibility: Windows, Mac OS, Chrome OS Just plug the receiver into the USB port of your computer, you can use the keyboard and mouse immediately. No software is required.