Enjoy the wireless freedom with the fast, reliable connection you'd expect from a cord. One small nano receiver connects both the mouse and keyboard to your computer. Just plug it into a USB port and you're good to go. The comfortable, quiet typing on a familiar keyboard layout with generous palm rest, spill resistant design. Hand friendly contoured shape right-handed mouse for smooth, precise tracking.Package Includes: (1) AA Batteries; (2) AAA Batteries