Logitech MK275 Wireless Mouse + Keyboard Combo

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
Plug and play simplicity for Windows PCs: Works right out of the box with Windows XP, Vista, Windows 7 and 8. No software installation required