The Signature MK650 Combo for Business is designed for all day comfort. The keyboard's integrated palm rest and familiar keystrokes complement the soft thumb area and rubber side grips of the mouse. All helping to make working hours feel less like work. The Signature MK650 Combo for Business is an easy way to increase employee productivity. The full-sized keyboard includes a numpad and pre-programmed F-Keys to streamline work. And the versatile mouse features a SmartWheel for more efficient scrolling with both line-by-line control and super-fast scrolling.