With a Comfort Wave Design keyboard, a contoured laser mouse, and batteries that last, this wireless combo gives you a comfort curve without the learning curve—at home or at the office. WARRANTY 36 Month Return to Base Warranty FEATURES USB Wireless Windows Support 36 Month Keyboard Battery Life 24 Month Mouse Battery Life Wave Style SPECIFICATIONS Interface Unifying USB Wireless Receiver Battery Keyboard: 2x AA Batteries (Pre-Installed) Mouse: 2x AA Batteries (Pre-Installed) OS Support Windows XP, Vista, 7, 8, 10