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