Reliable 2.4GHz 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