Keyboard - ergonomic, membrane, wireless, classic (high-profile) keys, english keyboard layout, Wireless USB receiver, with AA batteries, black colour K350 at first glance an interesting ergonomically shaped in all 3 axes (3D). It was designed to grasp a different length of the finger. Each finger and have a comparable distance, and you can write with less effort. Yet bend not so dramatic, you had to re-learn keyboard effectively. You can immediately increase their productivity, greater endurance without fatigue.The K350 will catch your eye with its interesting shape, which is ergonomically formed along all 3 of its axes (3D). It was designed this way in order to accommodate the varying lengths of your fingers. This way, each finger will have a similar distance to its assigned keys, which will enable you to write with less effort. However, the new shape is not so dramatically different that you would need time to re-learn...