Decades of Logitech expertise have gone into Perfect Stroke keys ensuring that every keystroke is fluid, natural, and accurate. This keyboard combines crafted keys with smart illumination and a remarkably solid build. The spherically dished keys match the shape of your fingertips, and their round edges provide satisfying feedback—no matter where you strike the key. Matte coating has been applied to every key so your fingers glide effortlessly over the surface.