Logitech K350 Wireless Wave Ergonomic Keyboard

Wave design with Constant Curve layout: Curved layout guides hands into just the right position Ease and comfort: Cushioned palm rest makes work easier and fun more fun Longer battery time: This feature gives you up to three years of battery life. (Battery life based on a calculation of an estimated 2 million keystrokes per year in an office environment. User experience may vary.)